Kidney tonics are needed because of the deficiency of kidney yang. The deficiency of kidney yang in men will affect the sexual function of men and may lead to impotence, premature ejaculation, less sperm, no sperm and this kind of situation. It may be better to take herbal medicine to strengthen the kidney and yang, you can take soup and find a doctor to prescribe suitable medication for better results. If the symptoms are not too serious, you can choose Chinese medicine, for example, the commonly used medicines are Jin Kui Kidney Qi Pill and Right Return Pill. If the symptoms of kidney yang deficiency are not obvious and you just want to achieve the effect of health care, you can eat aphrodisiac foods, such as seafood, like fish, shrimp, crab, sea cucumber and other such foods. In addition, mutton, rooster, loach, animal kidneys and so on, all have different degrees of kidney aphrodisiac effect. Other foods, such as mulberry, yam, black rice also have a kidney tonifying effect. You can choose the right food and medicine according to your situation, because everyone is different and no one method can be suitable for everyone.