Postpartum leg weakness may be caused by labor consumption, postpartum hemorrhage, and the effect of labor analgesia. 1. Consumption during labor and delivery: Labor and delivery is a process that consumes a lot of physical strength. After delivery, due to the large amount of consumption during labor and physical overdraft, it can lead to the performance of sore and weak legs when the mother gets out of bed. After delivery, women can be given liquid diet, such as rice porridge, noodles, etc., which can replenish physical strength as soon as possible, and can be gradually recovered after proper rest. 2. Postpartum hemorrhage: if postpartum hemorrhage occurs during delivery and other serious complications, due to more bleeding can also cause symptoms of postpartum leg weakness, need to be combined with the hemorrhage, timely blood transfusion treatment, and combined with the blood test and other tests to make it clear that there is anemia need to be supplemented with iron treatment as prescribed by the doctor. 3. Influence of labor analgesia: when labor analgesia is carried out during labor, after delivery, the anesthetic has not been metabolized yet, which may cause the symptoms of leg soreness and weakness, which can be restored to normal after metabolism of the anesthetic, and no special treatment is needed.