A front broom transmission clutch of a garbage cleaning vehicle is disclosed, comprising a wheel shaft, a large sprocket, a sprocket seat, a clutch, a first clutch block, a second clutch block, a chain, a transmission shaft, a small sprocket, a operational handle, a handle seat and a fork; the wheel shaft is fixed at one side of a garbage tank of the cleaning vehicle, the large sprocket is fixed on the sprocket seat which is disposed on the wheel shaft; the clutch is fixedly arranged at on side of the sprocket seat, outer circumferential wall body of the clutch is provide with a fork groove; the first clutch block is provided at end face of outer side of the clutch, the second clutch block is provided within a hub seat at front wheel of the cleaning vehicle; two ends of the transmission shaft are disposed at one side of the garbage tank, the small sprocket is provided at one end of the transmission shaft, the chain is sleeved on the large, small sprockets; middle of the operational handle is provided on the handle seat which is fixed on a chain cover, the chain cover is provided with a handle groove; the fork is provided at lower end part of the operational handle and is in embedded matching with the fork groove on the clutch. The invention has the advantages of firm locking, simple structure, convenient operations and long service life.