Perch is rich in DHA, which has the effect of invigorating kidney and stomach. Perch can often be seen in winter. At this time, perch is the biggest and most delicious meat. In order to lose DHA in house bass, it is best to cook it by steaming. Salmon can provide a lot of protein and fatty acids for human body, help body form to have healthy fat, and prevent the islet from secreting cortisol. When the cortisol content in the body decreases, the experimental steroid content in the body increases. This hormone is of great benefit to male kidneys. If the content of experimental steroids in the body increases, it can achieve the effect of relieving kidney deficiency and strengthening yang.