In daily life, the patient appears to have pain in the legs sometimes. The reason for this may be that the patient suffers from lumbar disc herniation. If the patient’s lumbar region is subjected to external force or has chronic strain injury, resulting in the onset of lumbar disc herniation, the patient will have leg pain. It is also accompanied by decreased skin sensation in the legs, weakened muscle strength and difficulty in bending. In addition, if the patient’s legs are exposed to cold for a longer period of time, resulting in obstruction of blood circulation in the legs, stagnation of qi and blood stasis and blockage of meridians can also produce pain. Or the patient’s legs have muscle old injury, lactic acid accumulation in the muscle, the patient will also appear leg pain phenomenon, can be given to the local hot compress treatment, Chinese medicine fumigation or with infrared therapy instrument treatment, can make the pain phenomenon can be relieved.