The most common causes of hamstring pain after workout are wear and tear, Achilles tendon injury and plantar fasciitis. 1. Wear and tear: If the patient’s shoes do not fit properly, and the hamstring is repeatedly worn with the shoes during exercise, it is easy to have pain in the hamstring after exercise, and the symptom can be relieved by replacing loose and comfortable shoes and taking sufficient rest. 2. Achilles tendon injury: If the intensity of the patient in the exercise is very large, it is easy to cause the Achilles tendon to tear or strain, and then appear after the exercise hamstring pain. 3. Plantar fasciitis: If the plantar muscles and fascia are repeatedly stretched during exercise, it is easy to cause aseptic inflammation of the plantar foot, which in turn causes pain in the hamstring. Causes of pain in the hamstring after exercise is more reasons, may also be associated with Achilles tendonitis, heel fat pad inflammation and other reasons, if the symptoms continue to have no relief, it is recommended to go to the hospital in time to find out the cause of the disease, by the doctor targeted treatment.