diff --git a/backend/routes/trip_items.py b/backend/routes/trip_items.py
index 66a7a76..e884bfc 100644
--- a/backend/routes/trip_items.py
+++ b/backend/routes/trip_items.py
@@ -15,7 +15,10 @@ def list_trip_items(trip_id: UUID, db: Session = Depends(get_db)):
         raise HTTPException(status_code=404, detail="Trip not found")
     items = (
         db.query(models.TripItem)
-        .options(joinedload(models.TripItem.tag))
+        .options(
+            joinedload(models.TripItem.tag),
+            joinedload(models.TripItem.item).joinedload(models.Item.tags),  # <--- Item mit Tags laden
+        )
         .filter(models.TripItem.trip_id == trip_id)
         .order_by(
             func.regexp_replace(
@@ -34,6 +37,7 @@ def list_trip_items(trip_id: UUID, db: Session = Depends(get_db)):
             name_calculated=ti.name_calculated,
             checked=ti.checked,
             tag=ti.tag,
+            item=ti.item,
         ) for ti in items
     ]
 
diff --git a/backend/schemas.py b/backend/schemas.py
index 0ff39c1..16f5130 100644
--- a/backend/schemas.py
+++ b/backend/schemas.py
@@ -1,4 +1,3 @@
-
 from typing import List, Optional
 from uuid import UUID
 from datetime import date
@@ -60,6 +59,7 @@ class TripItemOut(BaseModel):
     name_calculated: str
     checked: bool
     tag: Optional[TagOut] = None
+    item: Optional[ItemOut] = None
     class Config:
         orm_mode = True
 
diff --git a/frontend/src/pages/TripChecklist.tsx b/frontend/src/pages/TripChecklist.tsx
index 1fa29b7..694a3ec 100644
--- a/frontend/src/pages/TripChecklist.tsx
+++ b/frontend/src/pages/TripChecklist.tsx
@@ -41,6 +41,11 @@ export default function TripChecklist({ trips }: { trips: any[] }) {
       marked_tag_ids: newMarked.map((t) => t.id),
     });
     setMarkedTags(newMarked);
+    // Items neu laden
+    if (id) {
+      const updated = await getTripItems(id);
+      setItems(updated);
+    }
   }
 
   async function handleRemoveTag(tagId: string) {
@@ -55,6 +60,11 @@ export default function TripChecklist({ trips }: { trips: any[] }) {
     });
     setSelectedTags(newSelected);
     setMarkedTags(newMarked);
+    // Items neu laden
+    if (id) {
+      const updated = await getTripItems(id);
+      setItems(updated);
+    }
   }
 
   async function handleAddTag(tagId: string) {
@@ -70,10 +80,34 @@ export default function TripChecklist({ trips }: { trips: any[] }) {
     });
     setSelectedTags(newSelected);
     setTagInput("");
+    // Items neu laden
+    if (id) {
+      const updated = await getTripItems(id);
+      setItems(updated);
+    }
   }
 
   if (!trip) return <div>Trip not found</div>;
 
+  // Gruppiere Items nach Kategorie (item.tag)
+  const itemsWithoutTag = items.filter((item) => !item.tag);
+  // Map: tagId -> { tag, items: [...] }
+  const itemsByTag: Record<string, { tag: any; items: any[] }> = {};
+  items
+    .filter((item) => item.tag)
+    .forEach((item) => {
+      const tagId = item.tag.id;
+      if (!itemsByTag[tagId]) {
+        itemsByTag[tagId] = { tag: item.tag, items: [] };
+      }
+      itemsByTag[tagId].items.push(item);
+    });
+
+  // Sortiere Kategorien alphabetisch nach Tag-Name
+  const sortedTagGroups = Object.values(itemsByTag).sort((a, b) =>
+    a.tag.name.localeCompare(b.tag.name)
+  );
+
   return (
     <div>
       {/* Tag-Liste */}
@@ -155,7 +189,8 @@ export default function TripChecklist({ trips }: { trips: any[] }) {
       </div>
       {/* ...Rest der Checklist... */}
       <ul>
-        {items.map((item) => (
+        {/* Einträge ohne Kategorie */}
+        {itemsWithoutTag.map((item) => (
           <li
             key={item.id}
             className={
@@ -178,8 +213,74 @@ export default function TripChecklist({ trips }: { trips: any[] }) {
             <span className={item.checked ? "line-through text-gray-400" : ""}>
               {item.name_calculated}
             </span>
+            {item.item && item.item.tags && item.item.tags.length > 0 && (
+              <span className="ml-2 flex gap-1">
+                {[...item.item.tags]
+                  .slice()
+                  .sort((a, b) => a.name.localeCompare(b.name))
+                  .map((tag: any) => (
+                    <span
+                      key={tag.id}
+                      className="text-xs text-gray-400 bg-gray-100 rounded px-1 py-0.5"
+                    >
+                      #{tag.name}
+                    </span>
+                  ))}
+              </span>
+            )}
           </li>
         ))}
+
+        {/* Einträge mit Kategorie */}
+        {sortedTagGroups.map(({ tag, items }) => (
+          <React.Fragment key={tag.id}>
+            <li className="mt-4 mb-1 font-semibold text-gray-700 flex items-center gap-2">
+              <span className="text-xs bg-gray-200 text-gray-700 rounded px-2 py-0.5">
+                #{tag.name}
+              </span>
+            </li>
+            {items.map((item) => (
+              <li
+                key={item.id}
+                className={
+                  "flex items-center gap-2 cursor-pointer select-none px-2 py-1 rounded " +
+                  (item.checked ? "bg-green-100" : "hover:bg-gray-100")
+                }
+                onClick={async () => {
+                  await toggleTripItem(item.id);
+                  const updated = await getTripItems(id!);
+                  setItems(updated);
+                }}
+              >
+                <input
+                  type="checkbox"
+                  checked={item.checked}
+                  readOnly
+                  tabIndex={-1}
+                  className="pointer-events-none"
+                />
+                <span className={item.checked ? "line-through text-gray-400" : ""}>
+                  {item.name_calculated}
+                </span>
+                {item.item && item.item.tags && item.item.tags.length > 0 && (
+                  <span className="ml-2 flex gap-1">
+                    {[...item.item.tags]
+                      .slice()
+                      .sort((a, b) => a.name.localeCompare(b.name))
+                      .map((tag: any) => (
+                        <span
+                          key={tag.id}
+                          className="text-xs text-gray-400 bg-gray-100 rounded px-1 py-0.5"
+                        >
+                          #{tag.name}
+                        </span>
+                      ))}
+                  </span>
+                )}
+              </li>
+            ))}
+          </React.Fragment>
+        ))}
       </ul>
     </div>
   );