Carp is a freshwater fish year-round production in waters across the country. Carp belongs to the carp-shaped order, carp family, crucian carp genus. Jiangsu, Zhejiang area called the river crucian carp, the Northeast called crucian carp melon seeds, Hubei called Xi head fish and so on. Carp is widely distributed, except for the western plateau area, widely distributed throughout the country. Carp is very adaptable, whether it is deep or shallow water, running water or still water, high temperature water (32cC) or low temperature water (0℃) can survive. Even in the strongly alkaline waters of pH: 9, salinity as high as 4.5% of the Dari Lake, can still grow and reproduce.