The first thing to do is to identify the cause of the back pain and then targeted treatment, generally through appropriate rest, medication, physical therapy and other methods to relieve pain. The causes of pain are generally excessive exercise, soft tissue strains, back fasciitis, etc. It is recommended to consult a doctor in time to identify the cause of the disease. 1. Excessive exercise: Excessive exercise can cause the accumulation of lactic acid in the body causing back pain, which can usually be relieved after sufficient rest. It is recommended to warm up sufficiently before exercise. 2. soft tissue strain: due to improper exercise, may cause back muscle or ligament strain, resulting in back pain, should be in the acute period of ice (within 72 hours), to relieve pain and swelling, if the pain is serious, be alert to the soft tissue rupture, should be promptly to the hospital for examination. 72 hours after the hot compresses and other physical therapy. 3. back fasciitis: may be in the process of repeated wear and tear in the back of the exercise process of the fascia, caused by the back of the aseptic inflammation, you can take non-steroidal anti-inflammatory drugs under the guidance of the doctor, such as ibuprofen for anti-inflammatory pain, but also can be localized hot compresses to relieve pain. If the back pain after exercise is not relieved after rest, it is recommended to go to the hospital for examination in time to avoid delaying the condition.