Introduction to catfish knowledge: Catfish, also known as silver carp, sticky fish, pond lice fish and raw fish. This kind of fish is characterized by no scales, sticky body surface, flat head, wide mouth and four whiskers on the upper and lower jaws. Catfish is not only as nutritious as other fish, but also has tender meat, delicious taste, less thorns and easy digestion, which is especially suitable for the elderly and children. Nutritional analysis of catfish: Catfish is rich in protein, minerals and other nutrients, especially suitable for people who are weak and malnourished. Catfish is suitable for people: the general population can eat 1. Old, young, postpartum women and people with poor digestive function are most suitable; Suitable for people with physical weakness, malnutrition, insufficient milk, unfavorable urination and edema; 2. Patients with hair, chronic diseases and sores should eat catfish carefully. Catfish dietotherapy function: warm in nature, sweet in taste, entering the stomach and bladder meridian; Has the effects of invigorating qi, nourishing yin, promoting lactation, stimulating appetite and inducing diuresis; Catfish is a good product for lactation, which has the functions of nourishing yin and blood, invigorating the middle energizer, stimulating appetite and diuresis, and is an essential food for women's postpartum dietotherapy and nourishing. Catfish food is similar: catfish should not be eaten with cattle and sheep oil, beef liver, venison, boar, pheasant and Chinese medicine Schizonepeta. Guide to catfish practice: 1. Catfish is homologous to medicine and food, and stew is the most suitable; The best eating season is between mid-spring and mid-summer; 2. Catfish is rich in mucus, which can be removed by scalding with boiling water after slaughter and rinsing with clear water; Catfish can be used for steaming, stewing, making soup, braising in soy sauce, making meatballs, etc. 4. When cleaning catfish, you must remove the fish eggs, because catfish eggs are poisonous and inedible;