Locust is an insect with the same medicine and food, which lays eggs and belongs to ORTHOPTERA and Acridoidea. According to statistics, there are 859 species of grasshoppers in Acridoidea. There are mainly two kinds of edible herbs, namely, Locusta migratoria manilensis and Oxya chinensis. These two kinds of grasshoppers are nutritious, tender and delicious like shrimp. According to the study on the feeding value of Locust and Locust, Locust is rich in protein, carbohydrates, insect hormones and other active substances, and contains vitamins A, B and C. Compendium of Materia Medica records that Locust can treat many diseases, such as tetanus, convulsion, fever, asthma, abdominal distension, plague, chilblain, tracheitis and prevention of cardiovascular and cerebrovascular diseases. Take ten pieces of decoction, or stir-fry and grind into powder, five pieces each time, stir-fry and grind sesame oil for chilblain and the affected area.