The symptoms of soreness in the legs at night: 1, may be due to lumbar disc herniation and degenerative disease of the spine, due to compression of the spinal nerve roots and reduced blood flow within the spinal nerve roots, resulting in soreness in the lower extremities. 2, may be due to atherosclerosis occlusion of the lower extremities, patients suffering from cardiovascular disease, hypertension, hyperlipidemia, diabetes caused by atherosclerosis occlusion, there may be lower extremity The symptoms of sore legs. 3, muscle fatigue, metabolic product accumulation. As a result of intense muscle exercise during the day, the frequent contraction of the leg muscles, the increase in local metabolites lactic acid, muscle contraction and relaxation is difficult to coordinate, fatigue to a certain extent may appear in the evening symptoms of leg pain. 4, the stimulation of cold, strong muscle contraction under the stimulation of cold will cause the symptoms of sore legs at night.