Playing fish is of great benefit to the body. Fish contains protein, vitamins, minerals, omega 3 fatty Acid. Benefits of eating fish: (1) B vitamins, vitamin A, vitamin D keep the body good. (2) Iron in the fish relieves bloodshed. (3) The performance of omega 3 fatty acid retina in fish improves the vision of the home. (4)Fish omega 3 fatty acids reduce the risk of breeze infected with diseases such as dementia or alzhei. Fish omega 3 reduces the risk of heart attack and stoke. Warning while eating fish: (1) The amount of mercury may increase. (2) Fish is very salt uncomfortable fat, lots of antibiotics, contaminated breeze.