There is no so-called treatment of leg weakness instant effect of Chinese patent medicine, Chinese medicine needs to be in the physician under the guidance of the application of evidence, such as kidney yang deficiency can be used in the treatment of right angelica pills; kidney qi deficiency can be used in the treatment of jin gui ren qi pills; qi and blood insufficiency can be used in the treatment of eight Zhen pills. 1. Kidney yang deficiency: weakness of legs, accompanied by fear of cold limbs (fear of cold, cold limbs), impotence and premature ejaculation, cold pain in waist and knees, long and clear urine, etc., can be taken orally to treat Right Angelica Pill, which has the effect of warming and tonifying the kidney yang (warming and replenishing the kidney yang qi) and other effects. The contraindications of this product are not clear. 2. Kidney qi deficiency: symptoms such as weakness of legs, lumbar and knee pain and weakness, dribbling of urine, shortness of breath and fatigue can be treated with Jin Gui Kidney qi Pills to warm and replenish kidney qi. Pregnant women should not take it, and people with Yin deficiency and internal heat should not use it. 3. Qi and blood insufficiency: weakness of legs, accompanied by yellowish color, weakness and shortness of breath, etc. Bazhen Pills can be taken orally to nourish qi and blood. It is forbidden for those who are allergic to this product, and should not be taken by patients with cold and fever. There are many causes of leg weakness, it is recommended to go to a regular hospital, under the guidance of a doctor to standardize the treatment, do not take medication without authorization, in order to avoid misunderstanding the condition.