Yin and yang deficiency refers to the simultaneous occurrence of yin deficiency and yang deficiency, which generally cannot be cured by itself, and it is recommended to seek medical treatment in time and carry out scientific treatment under the guidance of doctors. Patients can use Danlou kidney capsule, strong kidney tablets and other Chinese patent medicines for treatment, the patient’s treatment should be yin and yang double tonic, or combined with the patient’s symptoms, to have a biased treatment. Yin and yang deficiency mainly involves the aspect of kidney, the patient will have symptoms of kidney yang deficiency and kidney yin deficiency at the same time, mainly lumbar and knee soreness and weakness (lumbar and knee soreness and weakness feeling), tinnitus, spermatorrhea, premature ejaculation, five heart heat (the two hearts of the hands and the two hearts of the feet are hot, and self-conscious of the heart and chest heat (irritable and sultry)), less breath and lazy speech (lack of strength, do not want to talk), lack of energy and other symptoms. Dan Green Kidney Tonic Capsule, with the effect of tonifying the kidney, nourishing yin and strengthening yang, is used for impotence and spermatorrhea due to deficiency of yin and yang, lumbar and knee soreness and weakness. Strong Kidney Tablets, with the effect of tonifying the kidney and filling up the essence (replenishing the essence of the kidney), benefiting the qi and strengthening the yang, is used for kidney deficiency and edema due to deficiency of both yin and yang, lumbago, spermatorrhea, impotence, premature ejaculation, and nocturnal enuresis. It is not suitable for patients with high blood pressure, cold and fever. Patients must not use the medicine blindly without the doctor’s identification, which may cause discomfort due to incorrect medication.