If the left side of the ribs hidden pain, need to combine with the patient’s other medical history, physical examination, auxiliary examination, in order to further diagnosis, clinically common are the following: 1, chest wall diseases, such as a variety of costochondritis, costal neuralgia, herpes zoster and so on. If accompanied by localized pain, it often suggests costochondritis. If the pain is with extension and spreading of the arm, intercostal neuralgia is often considered. If the skin is sensitive, late herpes, herpes zoster.2, respiratory diseases, can be seen in pleurisy, pneumonia, tuberculosis, tumors and other diseases.3, digestive diseases, such as esophagitis patients with symptoms outside the esophagus can also lead to.4, cardiovascular diseases, common coronary heart disease, angina pectoris, angina pectoris is the anterior region of the heart, the chest chest of the back of the pressure-like pain, with the description of the symptoms is not too consistent, but need to go to the hospital for further clarification. But need to go to the hospital for further clarification. 5, functional diseases, such as neurosis, patients do not have organic heart disease, but always feel uncomfortable, but also to go to the hospital to rule out organic heart disease before diagnosis.