Silkworm pupa. Because silkworm chrysalis is rich in protein, fat, carbohydrates, amino acids and other nutrients, it has high nutritional value. In addition, silkworm chrysalis has a variety of pharmacological effects, which can improve human immunity, promote human metabolism and enhance memory. Therefore, silkworm chrysalis is widely used in barbecue, frying, cooking and other cooking methods, and has become a delicious food for many people.