Abstract:71.33% of 444,an improved line o‘f Huangzao 4’,is consistent o‘f Huangzao 4’,and 6.29% is belong t‘o Nongda 178’.So 444 can be considered as the introduced material o‘f Huangzao 4’.Umc1003(bin2.05),umc1017(bin2.05) and phi027(bin9.03) are related to the grain starch content,glutinous qualitative,enzymatic characteristics genes.Phi295450(bin4.01),phi092(4.08),phi031(bin6.04) and phi032(bin9.04) ar‘e hot spots’areas.