Abstract: By potato film mulching with drip irrigation test results, with the Duoshengxin water soluble fertilizer and JiHua formula fertilizer variety of combination, when combination with Duoshengxin water soluble fertilizer 30kg/667m^2, topdressing four times, and Qihua formula weight 50kg/667m^2 one-time to fertilize, it had the highest yield. When combination with Duoshengxin water soluble fertilizer 50kg/667m^2,four points topdressing,JiHua as base fertilizer 20kg/667m^2, one-time to fertilize, its big potato rate was highest.