A modular aid for trolley, which comprises a trolley main body, a support module, a holding module, and a fixing module, is disclosed. The support module is pivotally disposed on the trolley main body for supporting and rotating a patient. The holding module is disposed on the trolley main body to adaptable for patients with different heights. The fixing module is disposed on the trolley main body for fixing legs of the patient. The support module, the holding module, and the fixing module are fixed or detachably disposed on the trolley main body.一種應用於手推車之模組化輔具至少包含手推車本體、支撐模組、握持模組以及固定模組。其中,支撐模組係樞設於手推車本體上以支撐並轉動病患或物品。握持模組係設於手推車本體上,藉以供不同身高之病患握持。固定模組係設於手推車本體上用以固定站立於支撐模組上之病患之腿部。支撐模組、握持模組以及固定模組係可拆式或固定式設於手推車本體上。10‧‧‧模組化輔具20‧‧‧手推車本體22‧‧‧框體23‧‧‧第一端24‧‧‧操控部25‧‧‧移動輪26‧‧‧第二端40‧‧‧支撐模組60‧‧‧握持模組80‧‧‧固定模組