Ding Gui, also known as Xu Gui, also known as black fish. Mainly distributed in Europe, and in my country, it is distributed in the Irtysh River and Wulungu River basins in Xinjiang. Dinggui meat is delicious, has high unsaturated fatty acid content, and has good medical value. It has strong disease resistance and is known as the doctor fish because it can use body fluids to treat other fish. It is exploited as a pond in Europe and can be cultured all over the country; in ponds with good conditions, Dinggui can be used as the main breeding target.