Abstract: This paper introduces the basic situation of anti-wind device for scraper conveyor passing air door, analyzes the problems of the anti-upwind device of scraper conveyor passing the air door in Yungaishan Coal Mine, studies the working principle of the anti-upwind device of the scraper conveyor. By referring to the successful experience of external units and combining with the actual conditions of the underground mine site and following the principle of convenience, economy and convenience, the scraper conveyor anti-upwind device for passing air door is processed and made.