Low back pain after exercise, the following causes are common: First, sports injuries: during strenuous exercise, lumbar muscle sprain may occur, patients will have clinical symptoms of severe lumbar pain, the lumbar spine range of motion will also be affected, usually in the lumbar injury pain is very intense, the patient often unbearable. Second, lumbar disc herniation: the acute onset of symptoms will be induced during exercise, which can also cause clinical symptoms of acute lumbar pain. Third, incorrect exercise posture: patients perform weighted squatting activities such as barbells and dumbbells, if the posture is incorrect, it can also induce clinical symptoms of lumbar pain. Patients with low back pain after exercise, must carefully analyze the cause, determine the cause and use the appropriate method of treatment, in order to make significant improvement in clinical symptoms and avoid such problems in the process of future exercise.