Abstract: A cultivation experiment on potato mulched by different materials was carried out. The results showed that, compared with traditional non-mulching culture, using plastic film mulching and straw mulching on ridge surface could increase yield and efficiency in field cultivation. Among them, black plastic film mulching had the advantages of raising soil temperature, cold-proof, conserving water and fertilizer, non-weeding, saving labor, high rate of big tuber, obvious effect of increasing yield and efficiency, and so on.