This paper deals with three kinds of the medical insects——cantharid

Polyphaga and cicada

the results showed that the population are great and the resoures are more abundunt in the 11 species of 41 cantharids.Moreover

the resoure

of the Polyphaga obscura Chopard and one of the 6 species—— Cicadatra querula (Pall.)in the cicada is also abundant.After the effective compositions of three kinds of the midical insects were determied the good applied prospects have been proved.