Kidney yang deficiency can be treated with herbs such as Cordyceps sinensis, Cistanchia, lock yang and other herbs in tea, they have certain effects of tonifying kidney yang. However, the effect of drugs varies from person to person and there is no drug with the best effect. 1. Cordyceps has the effect of tonifying the kidney and benefiting the lungs, stopping bleeding and resolving phlegm. It can be used to treat impotence and premature ejaculation, frequent nocturia, hypogonadism, cold limbs and other conditions caused by insufficient kidney yang (lack of yang in the kidneys) and deficiency of essence and blood. 2. Cistanchis has the effects of tonifying kidney yang, laxative and laxative, and is often used in treating lumbar and knee soreness (the feeling of soreness and weakness in the waist and knees), weakness of sinews and bones, impotence and spermatorrhea caused by deficiency of kidney yang and deficiency of essence and blood. The drug is contraindicated for people with yin deficiency and fire (deficiency of yin and essence in the body and the appearance of hyperactive deficiency fire) and loose stools (thin and unshaped feces) and diarrhea, and is not suitable for people with solid heat of the intestines and stomach, and constipation of hot constipation. 3. The efficacy of lock yang is to tonify kidney yang, benefit essence and blood, laxative, can be used to treat impotence due to kidney yang deficiency, lumbar and knee impotence, spermatorrhea and premature ejaculation and other conditions. The drug is not suitable for people with yin deficiency and yang exuberance, spleen deficiency and diarrhea (diarrhea caused by weak spleen function), and solid heat constipation. Tea replacement drinks can play a limited role in medicinal effects and cannot replace medication to treat diseases. When discomfort occurs, you should seek medical advice and choose medication under the guidance of a doctor, and should not use medication on your own.