The invention discloses a self-propelled wetting type automobile windscreen wiper. The automobile windscreen wiper comprises a swinging arm, a bracket and a rubber scraper, wherein the bracket is connected to one end of the swinging arm; the rubber scraper is mounted on the bracket; a sprinkler head facing the rubber scraper is arranged at the top of the bracket, a water inlet and a water outlet are formed in the sprinkler head, and drainage grooves corresponding to the water outlet of the sprinkler head are formed in the surface, facing the glass of an automobile, of the rubber scraper. The invention aims to provide the self-propelled wetting type automobile windscreen wiper so as to solve the problem that the windscreen wiper is used for scraping the glass in a dry manner at the starting initial stage in the prior art, and the purpose that the windscreen wiper can be wetted in a self-propelled manner before the windscreen wiper is used for scraping the glass.