Leg weakness belongs to the category of impotence in traditional Chinese medicine, small prescriptions have no scientific basis, is not recommended to use, can be taken under the guidance of the doctor Huang Jing Pills, Tiger Dive Pills and other traditional Chinese medicine. 1. Huang Jing Pill: composed of Huang Jing and Angelica sinensis. It has the effect of tonifying qi and nourishing blood. It is used for the weakness caused by deficiency of qi and blood, weakness of waist and legs, tiredness and less food. 2. Tiger Diving Pill: has the effect of nourishing yin and lowering fire (nourishing yin essence and lowering fire), strengthening muscles and bones. It is mainly used for treating the deficiency of yin in the liver and kidney (deficiency of yin in the liver and kidney), which leads to lumbar and knee soreness and weakness, impotence of sinews and bones, and difficulty in walking. Seek medical advice promptly if you feel unwell, and use the above medicines as prescribed by your doctor.