Proprietary Chinese medicines for treating deficiency of yin and yang include Shengli Tablets and Shengjing Tablets. 1. Shengli Tablet: It has the effects of benefiting qi and yang, filling essence and nourishing yin, tranquilizing the spirit and promoting intelligence (stabilizing the spirit and promoting intellectual development). It is used for impotence, premature ejaculation, loss of libido, spermatorrhea, mental fatigue (mental exhaustion, physical weakness), dizziness, tinnitus, insomnia and dreaming, lumbago and knee weakness. 2. Sperm production tablets: used for deficiency of kidney yang (lack of yang energy in kidney) resulting in lumbar and knee soreness and weakness (feeling of soreness and weakness in waist and knees), dizziness, tinnitus, fatigue, azoospermia and oligospermia in men. Adverse reactions: dizziness and nausea in individual patients after taking the medicine. It is contraindicated in patients with yin deficiency and fire exuberance (deficiency of yin and essence in the body, resulting in hyperactivity of deficiency fire). There are more proprietary Chinese medicines for the treatment of yin and yang deficiency. Once the symptoms of yin and yang deficiency appear, patients are advised to actively go to the hospital for diagnosis and treatment. The above medicines should be used under the guidance of Chinese medicine practitioners, and should not be used arbitrarily.