Using yellow mealworm as the tests materials,the extract methods of insect protein were screened in the experiment.The method of extraction divided into four kinds,i.e.,alkali extract method,salt extract method,trypsin extract method and Tris-HCl extract method.After the analysis of testing data,it was concluded that the best method of extraction was trypsin extract method,alkali extract method and Tris-HCl extract method was the second,and salt extract method was the worst.