In order to prompt the medicinal exploitation of the larvae of the silkworm, Bombyx mori L., the methods for determining the content of flavonoids in the silkworm larvae was studied in this paper. The flavonoids could be efficiently extracted out from the silkworm larvae according to the following conditions: grinding the larvae powder and sifting through 80 item, using 80% ethanol as solvent and a mass concentration of 0.033 3 g/mL of larvae powder, and extracting for 4 hours at 60 ℃ for three times. Using...