The freshwater fish carp has high nutritional value, especially rich in protein, which is easily absorbed by the human body, and the utilization rate is as high as 98%, which can supply essential amino acids to the human body. Freshwater crucian carp, like carp, is a common delicacy in diet and has high nutritional value. Because crucian carp contains animal protein and unsaturated fatty acids, eating crucian carp often can not only keep fit, but also reduce obesity, help lower blood pressure and blood lipid, and prolong life. Chinese medicine believes that crucian carp can tonify deficiency. Especially suitable for soup, crucian carp soup is not only delicious and fresh, but also has a strong nourishing effect, which is very suitable for middle-aged and elderly people and the weak after illness, especially for pregnant women.