In the field of traditional Chinese medicine, the weakness of the legs belongs to the deficiency of qi and blood, and the patient should pay attention to rest and avoid overwork. You can take Ginseng Strengthening the Spleen Pill and Bazhen Pill to regulate. 1. Ginseng Pills for Strengthening the Spleen is mainly composed of ginseng, Chinese yam, atractylodes macrocephala, tangerine peel, poria, wood sorrel, and sand nuts, etc. It has the effect of benefiting qi and strengthening the spleen (regulating the qi of the spleen and the stomach), and regulating the spleen and the stomach to stop diarrhea. It is mainly used in the treatment of dietary stagnation, abdominal distension and fullness, vomiting and nausea, pounding of stools, lack of desire for food and tiredness (fatigue and weakness). The adverse reactions and contraindications of this drug are not clear, note that it should not be taken by patients with cold and fever. 2. Bazhen Pill is mainly composed of Radix Codonopsis, Radix Rehmanniae Praeparata, Rhizoma Atractylodis Macrocephalae, Poria, etc. It has the effect of replenishing vital energy and benefiting blood, and is used for the treatment of deficiency of vital energy and blood, withering and yellowing of the face (yellowish color without luster), and lack of strength of the limbs. The adverse reactions and contraindications of this drug are not clear, note that patients with colds and fever should use it with caution. The above drugs are recommended to be used under the guidance of a doctor, if you feel unwell, it is recommended to go to the hospital as soon as possible, do not self-medication, so as not to delay the condition.