Fish is rich in nutritional value, suitable for all ages, and is recognized as a healthy and good food. Many people think that eating fish is healthier than eating meat. Experts pointed out that fish are aquatic animals, rich in lecithin, and the content of protein is higher than that of protein, a carnivorous animal. Therefore, eating fish is more healthy than eating meat. Moreover, fish are all treasures, and each part has different effects of treating diseases and strengthening the body. Fish with good brain tonic effect: Bighead carp is a kind of fish with good brain tonic effect. As the saying goes, the head of bighead is rich in nutritional value, and it also contains lecithin needed for the development of human brain cells, which is in line with the amino acids absorbed by human brain. It contains special protein, which is helpful for children's intellectual development. Fish Monopterus albus can replenish blood, nourish liver and kidney, and treat infantile malnutrition: Monopterus albus has the best effect of enriching blood among fish animals, and can tonify kidney and yang, and cooperate with traditional Chinese medicine such as Semen Cuscutae to treat infantile malnutrition and nocturnal urine. It can also treat facial paralysis. Generally, cooking soup or rice has obvious effect and is more delicious. Eel: Although eel has no good blood-enriching effect, it can tonify kidney and strengthen yang, and cooperate with some traditional Chinese medicines such as dodder to treat infantile malnutrition and nocturia. Because there are sticky secretions on the surface of eel, it needs to be scalded with hot water at 60 degrees Celsius, brushed with a steel brush to remove sticky substances, and then steamed, which has higher nutritional value. Fish with poor nutritional value tilapia and silver carp: tilapia and silver carp are fish with poor nutritional value. The price is cheap and the meat is not tender enough. Men eat fish to live longer, while women eat fish for beauty. There is a folk saying that men eat fish and live longer, while women eat fish for beauty. The Japanese nation has a strong reproductive ability, which is believed by the people to be because Japanese men like to eat raw fish. According to experts, fish protein does have a good effect on the development and maintenance of male reproductive system, and the fresh and tender fish is easily digested and absorbed by the human body, which has a firming and acne-removing effect on female skin. Therefore, both men and women should eat some fish food at the right time. The practice of the highest nutritional value of fish Although the nutritional value of fish and animals is very rich, if the correct cooking method is not adopted, the good effect of supplementing nutrition will not be obtained. When cooking fish soup, put the salt just before the pot is ready. Put the salt too quickly. Nutrients such as fish protein and delicious fish are easily locked by salt. If you want to make up the fish, you should steam it to keep the original flavor of the fish as much as possible. If fried at high temperature, protein and other nutrients in fish are easily destroyed. Therefore, steaming can keep the original flavor of fish and have higher nutritional value.