Back pain every day is not necessarily coronary heart disease, back pain may be due to exertion, trauma, involving pain, etc. There are many possible causes. 1. The first thing to consider in back pain is that it is caused by long-term weight-bearing exertion, which is a very common cause. In addition, trauma can also lead to long-term back pain. 2. It may be referred pain caused by pain in other parts of the body. Such as liver or gallbladder pain, can lead to the back of the right side of the shoulder blade part of the involving pain, bladder base pain, can have the lower back of the involving pain; uterine pain can also lead to the lower back of the involving pain and so on. 3. When coronary artery disease, angina pectoris can cause bilateral shoulder and back pain, especially the left forearm ulnar side, and back pain can occur, often relieved after angina pectoris is relieved. When coronary heart disease can appear back pain, but every day back pain does not necessarily exist in coronary heart disease, when there is discomfort, need to actively diagnosis and treatment.