Under phosphorus stress condition,there were obvious differences on fresh weight,dry weight,total phosphorus content per plant and accumulative phosphorus amount per plant in the tested rice(Japanica subgroup) cultivars.TP309 and Youzhi 8 were selected as phosphorus high efficiency. Total phosphorus content and accumulative phosphorus amount in TP309 were higher 37.50%-40.00% and 82.76%-102.00%,respectively than those in Zao 88-1.The root number per plant,average root length and plant root volume had not tightly correlations with the accumulative phosphorus amount in the tested cultivars.Meanwhile,the photosynthetic rate(Pn),leaf soluble protein content and leaf soluble carbohydrate content all were increase with the increase of accumulative phosphorus amount.