There are many causes of chest pain in the morning. 1. diseases of the chest wall, such as acute dermatitis, herpes zoster, nonsuppurative costochondritis, costal neuritis, multiple myeloma. 2. cardiovascular diseases, such as angina pectoris, acute heart attack, myocarditis, pericarditis, as well as pulmonary tethering, pulmonary hypertension and cardiac neurosis. 3. pleurisy, pleural tumors, spontaneous pneumothorax, pneumonia 4. malignant diseases of the mediastinum, including mediastinitis, mediastinal abscess, and mediastinal tumor. There are also esophagitis, gastroesophageal reflux, esophageal cancer which can be caused. 5, subdiaphragmatic abscess, liver abscess, splenic embolism. So the chest pain in the morning depends on how old it is, in addition to whether there is acid vomiting, and then which part of the chest hurts, how long the attack lasts, how long it can be relieved, etc. Further treatment is made according to different situations.