In this paper,field experiments were conducted to study the effects of different nitro compound fertilizers on yield and quality of potato with same N application rate.The results showed that compared with Cl based fertilizer and S based fertilizer,application of nitrate of S based compound fertilizer and nitrate of Cl based compound fertilizer were effective to promote the growth of potato and increase yield and nitrogen utilization efficiency.The yields of potato when applied nitrate of S based compound fertilizer increased 2.96%~3.06%,5.19%~5.51% and 10.05%~10.37% respectively compared those when applied with nitrate of Cl based compound fertilizer,S based fertilizer and Cl based fertilizer.Moreover,application of nitrate of S based compound fertilizer were also effective to improve the quality of potato,increase the fruit content of starch,soluble sugar and Vc,while have no significant influence on the nitrate content of fruit.