Coronary angiography is normal, but the chest is still vague pain can be caused by coronary artery microvascular lesions or gastroesophagitis, etc., can be further examined to confirm the diagnosis. Coronary angiography is a technique to visualize the coronary arteries by injecting contrast medium through a special cardiac catheter percutaneous puncture, which can directly show the location, narrowness and extent of coronary artery lesions. A normal coronary angiogram indicates that there is no coronary artery disease and that there is no significant narrowing of the coronary arteries and their branches. Normal coronary angiography but still vague pain in the chest may be caused by coronary artery microvascular disease or gastroesophagitis and other diseases, microvascular disease can be accompanied by angina pectoris easily after exertion; gastroesophagitis can be accompanied by abdominal pain, nausea or difficulty in swallowing and so on. Further examination, such as electrocardiogram exercise test or esophagoscopy, gastroscopy, etc. can be used to diagnose whether the above diseases are present, and timely diagnosis and treatment can be carried out. This phenomenon may also be caused by other diseases, such as coronary angiography is normal but still vague pain in the chest, please go to the hospital in a timely manner and according to the doctor’s instructions for treatment, to avoid delaying the condition.