Chinese patent medicines for kidney and essence double tonic include Kirin Pills and Shengli Tablets. 1. Kirin Pills, composed of Prepared Polygonum multiflorum, Radix et Rhizoma Polygoni Multiflori, Epimedium Brevicornum, Semen Cuscutae and so on, has the effect of tonifying the kidney and filling up the essence, benefiting the qi and nourishing the blood, which is used for the deficiency of the kidney and essence, insufficiency of the blood, soreness and weakness of the waist and knees, fatigue and weakness, lack of splendor in the complexion, men with scant semen, impotence and premature ejaculation, women with irregular menstruation, men with infertility, women with infertility, with those who have the above mentioned symptoms. Adverse reactions and contraindications of this product is not clear, cold and fever should be taken with caution, after taking the medicine, such as feeling dry mouth and dreamy, can be served with light saline water or honey water, fasting, such as gastric discomfort, can be changed to serve after meals. 2. Shengli Tablet, composed of ginseng, Cistanche, Radix Rehmanniae Praeparata, Epimedium, Fructus Lycii, etc., has the effect of benefiting qi and strengthening yang, filling in essence and nourishing yin, and tranquilizing the spirit and benefiting the intellect, and is used for impotence, premature ejaculation, reduced libido, spermatorrhea, fatigue, dizziness, vertigo, tinnitus, insomnia and excessive dreaming, lumbar acidity and weakness of knees. The adverse reactions and contraindications of this product are not clear. The above medicines should be used under the guidance of a professional physician to identify the evidence, do not self-medicate, so as not to affect your health.