Biological characteristics and value of locusts: Locusts are dual-use insects, oviparous, belonging to the insect order Orthoptera, family Locustidae. According to statistics, the locust family *** there are 859 species of locusts, can be used as medicine for food there are mainly two kinds, namely, the East Asian flying locust and the Chinese rice locust, the two kinds of locusts are rich in nutrients, the meat is fluffy and tender, taste like shrimp, according to the "flying locust research" and "the value of flying locusts of the feed" and other books, locusts are rich in proteins, carbohydrates, insect hormones, such as active substances, and contains vitamins A, B and C and phosphorus, calcium, iron, zinc, manganese and other trace elements, locusts are also very valuable for food and medicine. Manganese and other trace elements, locusts are not only a delicacy, but also a cure for diseases, warming the stomach and ribbing Yang, strengthening the spleen and eliminating food, the efficacy of wind and cough. The Compendium of Materia Medica records that locusts can be used alone or in combination to treat a variety of diseases, such as tetanus, pediatric convulsions, fever, asthma, gua sha, cormorant distemper, frostbite, bronchitis and prevention of cardiovascular and cerebrovascular diseases. It can be ten decoction soup, or fried cormorant powder to take, five / times, frostbite fried cormorant powder mixed with sesame oil on the affected area. With the development of society and the continuous improvement of the quality of life, the human table has been from the traditional type of chicken, duck, fish and meat to the green type of game, locusts are rich in nutrients, tender meat, taste like shrimp, in Hong Kong and other places with a "flying shrimp" of the name of the people of all countries are happy to eat good food in the United States, but also held a "feast of insects! In the United States also held a "feast of insects" to entertain VIPs, including locusts. According to reports, some obesity and hypertension, cardiovascular and cerebrovascular disease patients tend to eat insects, intending to achieve weight loss to get rid of the purpose of the disease. Along with some countries and regions are the corresponding rise of insect food. Insect dishes, or made of canned food, cookies, ice cream and other foods, very popular.