The symptoms of sore legs after exercise in daily life generally have two causes: first, less exercise before, and suddenly increased exercise recently, resulting in anaerobic respiration of muscles, lactic acid accumulation and lead to sore legs. Second, if there is usually more exercise, the accumulation of muscle fatigue, will also cause the accumulation of local lactic acid, resulting in the symptoms of leg pain. When the situation of sore legs, it is generally recommended to take a hot bath before going to bed, you can apply local heat, physical therapy, massage, infrared light irradiation in the sore area. In addition, pay attention to the warmth of the legs after normal exercise to prevent the legs from getting cold. If the pain is more pronounced, you can take oral pain medication or use Yunnan Baiyao aerosol to relieve the pain. Afterwards, you should pay attention to the gradual exercise, not to suddenly exercise a lot, and pay attention to stretching after exercise, not to suddenly stop exercise, so as not to cause a large accumulation of lactic acid.