The invention discloses a coating spraying valve with a nozzle cleaning and unchoking functions, and belongs to the technical field of fluid control. The spraying valve aims to solve the technical problem that in the prior art, spraying operation is influenced due to the fact that a nozzle is prone to block when a spray head system carries out the spraying operation. The spraying valve is characterized by comprising a first driving source, a valve body, a valve core assembly arranged in the valve body and a valve body end cover arranged at the front end of the valve body, wherein a hole unchoking needle is arranged at the front end of the valve core assembly, the nozzle is arranged on the valve body end cover, and the hole unchoking needle is matched with the nozzle; and a coating inlet isformed in the side face of the valve body, the valve core assembly is concentric with the valve body, and the first driving source drives the valve core assembly to slide back and forth in the valvebody along the axial direction. When the valve core assembly slides away from the front end of the valve body, the coating inlet communicates with the nozzle; and when the valve core assembly slides to the front end of the valve body, the front end of the valve core assembly abuts against the inner side of the nozzle, so that a communication channel between the nozzle and the coating inlet is blocked, and the hole unchoking needle penetrates through the nozzle to play a unchoking function.