The effect of crucian carp is to be able to promote water retention, for the limbs edema, ascites, if appropriate consumption of crucian carp has a very good through the urine, water retention effect. 2, can pass the blood, promote milk secretion, for the postpartum milk secretion of insufficient people, if appropriate consumption of crucian carp have a very good through the blood, promote the role of milk secretion. 3, can be strengthened and the stomach for the spleen and stomach weak, and less stomach, if appropriate consumption of crucian carp have a very good spleen and the stomach. If you have a weak spleen and stomach, if you eat carp properly, it can strengthen the spleen and stomach. The contraindication of crucian carp is for people with kidney dysfunction, appropriate control of the intake of crucian carp, otherwise it will cause too much protein intake and aggravate the burden on the kidneys.