The invention provides a fixed pulley fixing device for a trolley frame. The fixed pulley fixing device for the trolley frame comprises a fixed pulley and a fixing device, wherein a central hole is formed in the fixed pulley, a rotary shaft is arranged in the central hole of the fixed pulley, and the fixed pulley is connected with the rotary shaft through a bearing; and the fixing device is provided with through holes, and the rotary shaft extends out from the two sides of the fixed pulley and is fixedly connected with the through holes in the two sides of the fixing device respectively. The fixed pulley fixing device comprises a first fixed pulley body, a second fixed pulley body and a third fixed pulley body, and the first fixed pulley body and the second fixed pulley body are separately provided with a plurality of first through holes so that the dead weight of the fixed pulley can be greatly reduced; a ball-eye and a hook are arranged on a fixed support, so that the diversity of the connecting mode is increased; and a first connecting body, a second connecting body and a third connecting body are arranged in the hook, the second connecting body is fixed through a middle shaft and a spring and the second connecting body can rotate towards the interior of the hook by taking the middle shaft as the center, and meanwhile, a first check block and a second check block are arranged, so that the second connecting body does not rotate to the outer side of the hook.