The scientific name of oil drum fish is herring, which belongs to Perciformes, Sparidae and Sparidae. The body is stout, spindle-shaped, and the tail handle is strong. With sharp teeth, swift swimming and fierce temperament, it is generally 0.26-0.52m long, up to 1 m long and weighs 20kg, mainly distributed in the western part of the North Pacific Ocean.

In addition, oil drum fish is a kind of food with high protein and low fat, which is easily absorbed by humanitarians. It also contains eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). EPA can dilate blood vessels and prevent blood coagulation.