Fish foam is a very common dish on our usual table, it is very rich in collagen protein and a lot of mineral nutrients, has great food value. Fish foam is the auxiliary respiratory organs of fish, can provide oxygen for the fish, fish foam in the main components for protein, which each 100 grams of dry fish foam containing protein 84.4g, fat 0.2g, which is very rich in protein, can be supplemented with a large amount of protein for the human body, the human body has a great deal of benefits. Fish foam also contains a large number of vitamin groups and minerals, including niacin, choline, vitamin A, as well as rich calcium, phosphorus, iron and other mineral elements, including calcium 50 mg, phosphorus 29 mg, iron 2.6 mg, the nutrient content is far more than other fish products. Fish foam is rich in protein, so people who are allergic to protein should not consume it.