‘Jishu No.1’, a popular potato in production, was select as materials. Different density and differentfertilization rates were adopted to seek the optimum density and fertilization rate. The results showed that optimalfertilization rate and space in row of ‘Jishu No.1’were 1000 kg/hm² and 25 cm, respectively. The yield increased 18.6% than that of the control, and net income was 6418.8 yuan RMB per hectare more than the control.