The utility model discloses an automobile wiper device. The device including the blade arm, with scrape the brush piece hander that colored brush arm is connected and the first water brush piece thatscrapes of brush piece hander support, be provided with a gear in the blade arm, gear includes gear rack, gear rack mesh has a gear, gear connection has the second to scrape water brush piece, first water brush piece and the second scraped is scraped water brush piece and is had coincident part. The utility model discloses a wiper device simple structure through increase by a gear in the blade arm, simultaneously, scrapes water brush piece for will be originally one and makes two into, has increased effective work area of wiper, the very big work blind area that has reduced, very big improvement special weather vehicle operation's such as sleet weather factor of safety.