Back pain is reduced after activity is considered to be due to lumbar back muscle strain or fasciitis, it is recommended to go to the hospital for further examination, to take the appropriate physical, drug therapy. Generally speaking, the symptoms of back pain, reduced after activities are considered to be due to sedentary, improper posture and other causes of lumbar back muscle strain, you can carry out local massage, hot compresses, lying flat on a hard bed, moderate lumbar back muscle exercise, and take ibuprofen and other non-steroidal drugs treatment if necessary. In addition, it may also be due to the night cold and other causes of fasciitis, can be localized hot compresses, with massage can effectively relieve back pain, pain history can take celecoxib and other anti-inflammatory painkillers treatment. Therefore, it is recommended to go to the hospital for further examination, and under the guidance of the doctor to carry out the corresponding physical and drug treatment.