If a patient has hamstring pain, the triggering causes include hamstring strain, hamstring injury, inflammatory stimulation, lumbar disc herniation, etc., as follows: a. Hamstring strain, cold: it can easily lead to pressure pain in the hamstring. Second, hamstring injury: can also lead to foot swelling, painful conditions. Third, inflammatory stimulation: inflammatory stimulation of the hamstring area will also lead to pressure pain in the hamstring area, especially when the foot activity, the pain symptoms are more obvious. Fourth, lumbar disc herniation: after the nerve root compression in the lumbar spinal canal, patients are also prone to hamstring pain symptoms. Therefore, after the patient has hamstring pain, it is important to consult a doctor to see what is causing it. Treat the cause to relieve the symptoms of hamstring pain, so as to gradually resume normal weight-bearing activities and restore the patient’s normal life and work.