Abstract：Rational N management in potato（Solanum tuberosum L.）production is taking high yield and high efficiency as its objective．This paper analyzes the present status of N utilization in potato and puts forward thoughts according to the existing problems in potato N management，as selecting proper cultivation measures on the basis of understanding potato requirement rule for nitrogen and N flow direction in potato field．As for the strategy of N management，this paper puts forward ideas of controlling the total N amount along with regulation by stages，effecting precise diagnosis of N nutrition status at key growing period，adopting rational fertilization method，studying and developing new slow/controlled- release nitrogen fertilizers for potato．Before ending，the paper prospects the research direction for potato nitrogen management．
