The glucosinolates in vegetables were the main causes that infected the stripped flea beetles (SFB), Phyllotreta striolata (Fabricius), feeding on the host plants. The preference of SFB in the different growth times, organic and leaf location of the same host plant was studied. It showed that the SFB adults preferred the plants with high content of glucosinlates. The relationships between the density of the SFB adults and the content of glucosinlates were highly significant (r=0.967 4, 0.903 0, 0.990 9, 0.796 3, P<0.05) . It showed that there were other factors affecting the preference of SFB.