A flat-push windshield wiper joint, comprising a base and a mounting base, wherein a slot is formed from the left end to the right end of said base. The position of said slot matching the left end of base is an opening. The top surface of said base sinks to form spaced slide opening and chucking hole. Said slide opening and chucking hole are distributed in the extending direction of slot, and a stop bar is formed between the slide opening and chucking hole. Said locatin bar matches the locating slot in the bottom surface of slot. The present invention can increase the assembly efficiency of flat-push windshield wiper joint and reduce the production costs.