Tenebriomlitor L.is a resource of high-quality insect protein,and protein is rich in it.The hydrolysate of Tenebriomlitor L.protein not only has well-found amino acids but also has special flavor.If it is made into compound amino acid oral liquid which has abundant of nutrition and hygienical function,the foreground is very vast.The best condition of trypsin hydrolyzing Tenebriomlitor L.protein was researched,the result was as follows:the amount of trypsin 0.5%,ratio of solid to liquid 1:3,hydrolysis for 7 h at 55℃ and pH 7.5.