The most common disease that can cause this symptom is back fasciitis, which is usually caused by trauma, exertion, and cold. Fasciitis has a wide range of pain, because the range of fascia are relatively large, once the inflammation of a location of fascia, will involve other locations of fascia pain discomfort symptoms, morning pain is serious, pain is obvious after rest. The pain in the back will suddenly increase with sudden activity, and after appropriate activity can temporarily relieve the pain symptoms, but will soon return to the previous level of pain. 2, patients with back muscle strain will also have this symptom, people who work in a fixed posture for a long time, or often use the back muscles work, it is easy to cause back muscle strain. Patients with muscle strain usually have increased pain after exertion, after lying down to rest and reduce activity pain can be significantly relieved.