Most of the back pain is caused by physiological factors such as incorrect posture, but it may also be caused by pathological factors such as fasciitis, autoimmune diseases, tumor lesions, etc. If you are a little tired, you will feel pain in your back. 1. Physiological factors: excessive activity or incorrect posture can lead to excessive tension and spasm of the local muscles and fascia causing pain and discomfort, change posture, proper rest, it can be gradually relieved. 2. Fasciitis: mostly related to the usual excessive strain, such as sedentary, long-term sedentary work, etc., the pain is mostly soreness and swelling, hidden pain discomfort. 3. Autoimmune diseases: such as ankylosing spondylitis, the symptoms of back pain, often accompanied by morning stiffness and other manifestations, most of the patients with a positive hematological examination HLAB27 manifestations. 4. Spinal tumor lesions: such as nerve sheath tumor, tumor compression can appear back pain, through CT and MRI examination can be clearly diagnosed. If the back pain is relieved soon after resting, it is mostly physiological, but if it is not relieved or recurring, you need to consult a doctor for a clear diagnosis, so as to avoid delaying the condition.