diff --git a/packages/vant/src/form/test/__snapshots__/demo-ssr.spec.ts.snap b/packages/vant/src/form/test/__snapshots__/demo-ssr.spec.ts.snap
index a5fdf7b29c8..b21b3d94c97 100644
--- a/packages/vant/src/form/test/__snapshots__/demo-ssr.spec.ts.snap
+++ b/packages/vant/src/form/test/__snapshots__/demo-ssr.spec.ts.snap
@@ -476,6 +476,7 @@ exports[`should render demo and match snapshot 1`] = `
                   value="1"
                   style
                   inputmode="decimal"
+                  autocomplete="off"
                   aria-valuemax="Infinity"
                   aria-valuemin="1"
                   aria-valuenow="1"
diff --git a/packages/vant/src/form/test/__snapshots__/demo.spec.ts.snap b/packages/vant/src/form/test/__snapshots__/demo.spec.ts.snap
index 34fe5e16849..65efa5c8b5b 100644
--- a/packages/vant/src/form/test/__snapshots__/demo.spec.ts.snap
+++ b/packages/vant/src/form/test/__snapshots__/demo.spec.ts.snap
@@ -331,6 +331,7 @@ exports[`should render demo and match snapshot 1`] = `
                   role="spinbutton"
                   class="van-stepper__input"
                   inputmode="decimal"
+                  autocomplete="off"
                   aria-valuemax="Infinity"
                   aria-valuemin="1"
                   aria-valuenow="1"
diff --git a/packages/vant/src/stepper/Stepper.tsx b/packages/vant/src/stepper/Stepper.tsx
index 566380acefb..09d3f3df6e1 100644
--- a/packages/vant/src/stepper/Stepper.tsx
+++ b/packages/vant/src/stepper/Stepper.tsx
@@ -318,6 +318,7 @@ export default defineComponent({
           // set keyboard in modern browsers
           inputmode={props.integer ? 'numeric' : 'decimal'}
           placeholder={props.placeholder}
+          autocomplete="off"
           aria-valuemax={props.max}
           aria-valuemin={props.min}
           aria-valuenow={current.value}
diff --git a/packages/vant/src/stepper/test/__snapshots__/demo-ssr.spec.ts.snap b/packages/vant/src/stepper/test/__snapshots__/demo-ssr.spec.ts.snap
index 3fe705366a4..b37918edba1 100644
--- a/packages/vant/src/stepper/test/__snapshots__/demo-ssr.spec.ts.snap
+++ b/packages/vant/src/stepper/test/__snapshots__/demo-ssr.spec.ts.snap
@@ -32,6 +32,7 @@ exports[`should render demo and match snapshot 1`] = `
           value="1"
           style
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -74,6 +75,7 @@ exports[`should render demo and match snapshot 1`] = `
           value="1"
           style
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -116,6 +118,7 @@ exports[`should render demo and match snapshot 1`] = `
           value="5"
           style
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="8"
           aria-valuemin="5"
           aria-valuenow="5"
@@ -158,6 +161,7 @@ exports[`should render demo and match snapshot 1`] = `
           value="1"
           style
           inputmode="numeric"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -201,6 +205,7 @@ exports[`should render demo and match snapshot 1`] = `
           style
           disabled
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -245,6 +250,7 @@ exports[`should render demo and match snapshot 1`] = `
           style
           readonly
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -287,6 +293,7 @@ exports[`should render demo and match snapshot 1`] = `
           value="1.0"
           style
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1.0"
@@ -329,6 +336,7 @@ exports[`should render demo and match snapshot 1`] = `
           value="1"
           style="width:40px;height:32px;"
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -371,6 +379,7 @@ exports[`should render demo and match snapshot 1`] = `
           value="1"
           style
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -414,6 +423,7 @@ exports[`should render demo and match snapshot 1`] = `
           style="height:22px;"
           readonly
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
diff --git a/packages/vant/src/stepper/test/__snapshots__/demo.spec.ts.snap b/packages/vant/src/stepper/test/__snapshots__/demo.spec.ts.snap
index 443535aa9e9..88f2fe28b64 100644
--- a/packages/vant/src/stepper/test/__snapshots__/demo.spec.ts.snap
+++ b/packages/vant/src/stepper/test/__snapshots__/demo.spec.ts.snap
@@ -24,6 +24,7 @@ exports[`should render demo and match snapshot 1`] = `
           role="spinbutton"
           class="van-stepper__input"
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -58,6 +59,7 @@ exports[`should render demo and match snapshot 1`] = `
           role="spinbutton"
           class="van-stepper__input"
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -92,6 +94,7 @@ exports[`should render demo and match snapshot 1`] = `
           role="spinbutton"
           class="van-stepper__input"
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="8"
           aria-valuemin="5"
           aria-valuenow="5"
@@ -126,6 +129,7 @@ exports[`should render demo and match snapshot 1`] = `
           role="spinbutton"
           class="van-stepper__input"
           inputmode="numeric"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -161,6 +165,7 @@ exports[`should render demo and match snapshot 1`] = `
           class="van-stepper__input"
           disabled
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -197,6 +202,7 @@ exports[`should render demo and match snapshot 1`] = `
           class="van-stepper__input"
           readonly
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -231,6 +237,7 @@ exports[`should render demo and match snapshot 1`] = `
           role="spinbutton"
           class="van-stepper__input"
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1.0"
@@ -267,6 +274,7 @@ exports[`should render demo and match snapshot 1`] = `
           class="van-stepper__input"
           style="width: 40px; height: 32px;"
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -302,6 +310,7 @@ exports[`should render demo and match snapshot 1`] = `
           role="spinbutton"
           class="van-stepper__input"
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
@@ -339,6 +348,7 @@ exports[`should render demo and match snapshot 1`] = `
           style="height: 22px;"
           readonly
           inputmode="decimal"
+          autocomplete="off"
           aria-valuemax="Infinity"
           aria-valuemin="1"
           aria-valuenow="1"
diff --git a/packages/vant/src/stepper/test/__snapshots__/index.spec.ts.snap b/packages/vant/src/stepper/test/__snapshots__/index.spec.ts.snap
index 7ef4da4fe35..6091da265f3 100644
--- a/packages/vant/src/stepper/test/__snapshots__/index.spec.ts.snap
+++ b/packages/vant/src/stepper/test/__snapshots__/index.spec.ts.snap
@@ -17,6 +17,7 @@ exports[`should disable buttons and input when using disabled prop 1`] = `
     class="van-stepper__input"
     disabled
     inputmode="decimal"
+    autocomplete="off"
     aria-valuemax="Infinity"
     aria-valuemin="1"
     aria-valuenow="1"
@@ -48,6 +49,7 @@ exports[`should update input height and button size when using button-size prop
     class="van-stepper__input"
     style="height: 2rem;"
     inputmode="decimal"
+    autocomplete="off"
     aria-valuemax="Infinity"
     aria-valuemin="1"
     aria-valuenow="1"