The beginning of blooming, the period of fruit ripening, beginning of leaf falling, ending of leaf falling, fruit development period, nutrition growth period of 301 to 480 peach cultivars were investigated at National Peach Genetic Collection in Zhengzhou. A kind of new descriptors and reference cultivars were given for peach by statistical data. These descriptors were recorded on 1 to 5 Grade. In generally, two reference cultivars were given, one USA cultivar, another cultivar which is planted widely in China.