Whole back pain may be related to overwork, trauma, myofasciitis, ankylosing spondylitis, heart disease and so on. 1. Overexertion: If the back is overexerted or over-exercised, it can cause lactic acid to build up inside the muscles, resulting in back pain, which can be relieved after resting. 2. Trauma: Trauma such as falling from a high place and landing on the back or being hit by a stick may cause soft tissue injury or fracture of the back, resulting in pain, swelling and limited movement of the whole back. 3. Myofasciitis: aseptic inflammation of the muscles and fascia of the back under the stimulation of long-term strain and exposure to cold, which may cause pain and limited movement of the back. 4. Ankylosing spondylitis: Ankylosing spondylitis can cause the whole spine lesions in the later stage, which can be manifested as the pain and stiffness of the whole back. 5. Heart disease: such as angina pectoris, myocardial infarction, etc., in addition to the pain in the anterior region of the heart, often radiating to the left shoulder, back and other parts of the back, may have the whole back pain symptoms. There are other reasons such as severe osteoporosis can also cause the whole back pain. If the pain is not relieved after resting, it is recommended to consult a doctor in time, improve the examination to clarify the cause of the disease, and follow the doctor’s instructions to carry out targeted treatment, so as to avoid delaying the condition.