diff --git a/web/app/components/workflow/hooks/use-checklist.ts b/web/app/components/workflow/hooks/use-checklist.ts
index 5d9160faf0..f7ad638ee7 100644
--- a/web/app/components/workflow/hooks/use-checklist.ts
+++ b/web/app/components/workflow/hooks/use-checklist.ts
@@ -22,6 +22,7 @@ import {
   getToolCheckParams,
   getValidTreeNodes,
 } from '../utils'
+import { getTriggerCheckParams } from '../utils/trigger'
 import {
   CUSTOM_NODE,
 } from '../constants'
@@ -31,10 +32,12 @@ import {
 } from '../hooks'
 import type { ToolNodeType } from '../nodes/tool/types'
 import type { DataSourceNodeType } from '../nodes/data-source/types'
+import type { PluginTriggerNodeType } from '../nodes/trigger-plugin/types'
 import { useToastContext } from '@/app/components/base/toast'
 import { useGetLanguage } from '@/context/i18n'
 import type { AgentNodeType } from '../nodes/agent/types'
 import { useStrategyProviders } from '@/service/use-strategy'
+import { useAllTriggerPlugins } from '@/service/use-triggers'
 import { useDatasetsDetailStore } from '../datasets-detail-store/store'
 import type { KnowledgeRetrievalNodeType } from '../nodes/knowledge-retrieval/types'
 import type { DataSet } from '@/models/datasets'
@@ -70,6 +73,7 @@ export const useChecklist = (nodes: Node[], edges: Edge[]) => {
   const workflowTools = useStore(s => s.workflowTools)
   const dataSourceList = useStore(s => s.dataSourceList)
   const { data: strategyProviders } = useStrategyProviders()
+  const { data: triggerPlugins } = useAllTriggerPlugins()
   const datasetsDetail = useDatasetsDetailStore(s => s.datasetsDetail)
   const getToolIcon = useGetToolIcon()
 
@@ -108,6 +112,9 @@ export const useChecklist = (nodes: Node[], edges: Edge[]) => {
       if (node.data.type === BlockEnum.DataSource)
         moreDataForCheckValid = getDataSourceCheckParams(node.data as DataSourceNodeType, dataSourceList || [], language)
 
+      if (node.data.type === BlockEnum.TriggerPlugin)
+        moreDataForCheckValid = getTriggerCheckParams(node.data as PluginTriggerNodeType, triggerPlugins, language)
+
       const toolIcon = getToolIcon(node.data)
       if (node.data.type === BlockEnum.Agent) {
         const data = node.data as AgentNodeType
diff --git a/web/app/components/workflow/nodes/trigger-plugin/default.ts b/web/app/components/workflow/nodes/trigger-plugin/default.ts
index 217c5aaee2..f0d8fe1ec4 100644
--- a/web/app/components/workflow/nodes/trigger-plugin/default.ts
+++ b/web/app/components/workflow/nodes/trigger-plugin/default.ts
@@ -5,6 +5,7 @@ import type { PluginTriggerNodeType } from './types'
 import { getMatchedSchemaType } from '../_base/components/variable/use-match-schema-type'
 import type { SchemaTypeDefinition } from '@/service/use-common'
 import { type Field, type StructuredOutput, Type } from '../llm/types'
+import { VarKindType } from '../_base/types'
 
 const normalizeJsonSchemaType = (schema: any): string | undefined => {
   if (!schema) return undefined
@@ -222,12 +223,52 @@ const nodeDefault: NodeDefault<PluginTriggerNodeType> = {
     // event_type: '',
     config: {},
   },
-  checkValid(payload: PluginTriggerNodeType, t: any) {
+  checkValid(payload: PluginTriggerNodeType, t: any, moreDataForCheckValid: {
+    triggerInputsSchema?: Array<{
+      variable: string
+      label: string
+      required?: boolean
+    }>
+    isReadyForCheckValid?: boolean
+  } = {}) {
     let errorMessage = ''
 
     if (!payload.subscription_id)
       errorMessage = t('workflow.nodes.triggerPlugin.subscriptionRequired')
 
+    const {
+      triggerInputsSchema = [],
+      isReadyForCheckValid = true,
+    } = moreDataForCheckValid || {}
+
+    if (!errorMessage && isReadyForCheckValid) {
+      triggerInputsSchema.filter(field => field.required).forEach((field) => {
+        if (errorMessage)
+          return
+
+        const rawParam = payload.event_parameters?.[field.variable]
+          ?? (payload.config as Record<string, any> | undefined)?.[field.variable]
+        if (!rawParam) {
+          errorMessage = t('workflow.errorMsg.fieldRequired', { field: field.label })
+          return
+        }
+
+        const targetParam = typeof rawParam === 'object' && rawParam !== null && 'type' in rawParam
+          ? rawParam as { type: VarKindType; value: any }
+          : { type: VarKindType.constant, value: rawParam }
+
+        const { type, value } = targetParam
+        if (type === VarKindType.variable) {
+          if (!value || (Array.isArray(value) && value.length === 0))
+            errorMessage = t('workflow.errorMsg.fieldRequired', { field: field.label })
+        }
+        else {
+          if (value === undefined || value === null || value === '')
+            errorMessage = t('workflow.errorMsg.fieldRequired', { field: field.label })
+        }
+      })
+    }
+
     return {
       isValid: !errorMessage,
       errorMessage,
diff --git a/web/app/components/workflow/utils/trigger.ts b/web/app/components/workflow/utils/trigger.ts
new file mode 100644
index 0000000000..f6d197c69c
--- /dev/null
+++ b/web/app/components/workflow/utils/trigger.ts
@@ -0,0 +1,52 @@
+import type { TriggerWithProvider } from '@/app/components/workflow/block-selector/types'
+import type { PluginTriggerNodeType } from '@/app/components/workflow/nodes/trigger-plugin/types'
+
+export type TriggerCheckParams = {
+  triggerInputsSchema: Array<{
+    variable: string
+    label: string
+    required?: boolean
+  }>
+  isReadyForCheckValid: boolean
+}
+
+export const getTriggerCheckParams = (
+  triggerData: PluginTriggerNodeType,
+  triggerProviders: TriggerWithProvider[] | undefined,
+  language: string,
+): TriggerCheckParams => {
+  if (!triggerProviders) {
+    return {
+      triggerInputsSchema: [],
+      isReadyForCheckValid: false,
+    }
+  }
+
+  const {
+    provider_id,
+    provider_name,
+    event_name,
+  } = triggerData
+
+  const provider = triggerProviders.find(item =>
+    item.name === provider_name
+    || item.id === provider_id
+    || (provider_id && item.plugin_id === provider_id),
+  )
+
+  const currentEvent = provider?.events.find(event => event.name === event_name)
+
+  const triggerInputsSchema = (currentEvent?.parameters || []).map((parameter) => {
+    const label = parameter.label?.[language] || parameter.label?.en_US || parameter.name
+    return {
+      variable: parameter.name,
+      label,
+      required: parameter.required,
+    }
+  })
+
+  return {
+    triggerInputsSchema,
+    isReadyForCheckValid: true,
+  }
+}