Tonifying kidney is an important skill of China's food supplement. It is said that eating kidney has a good nourishing effect on women's ovaries, uterus and men's renal function, especially when women stew with sesame oil after pregnancy and childbirth, which has a good recovery effect on women in the second month.

The kidney itself is Goplin's thing, similar to internal organs. Eating too much tends to make you fat, so it's better to eat less.