The pain of the hamstrings is commonly caused by the following two conditions: 1, because of prolonged walking, strenuous exercise, excessive lactic acid accumulation in the local muscles, muscle strain or myofascial inflammation, which leads to pain, such pain is mainly soreness, swelling, sometimes accompanied by a tingling sensation, pain aggravated by activity, pain can be significantly relieved when resting, in addition to the use of heat, infrared therapy, or external rubbing Shujian Tongluo 2.Sciatica caused by nerve compression due to lumbar disc herniation, muscle involvement pain, radioactive pain or discharge-like pain in the innervated area, the pain is generally more intense, the pain will increase with activity, and the pain can be relieved with bed rest, if necessary, you can take oral non-steroidal anti-inflammatory and analgesic drugs, or infusion treatment, and can also be combined with lumbar traction, massage and other Physiotherapy.