The causes of chest tightness after dinner and breathlessness and pressure in the chest include angina pectoris, myocardial infarction, reflux esophagitis, pneumothorax, etc. Treatment includes medication and surgery. 1. angina: if the coronary artery blood supply is insufficient, myocardial injury caused by the phenomenon of chest tightness and breathlessness after dinner chest with a sense of pressure, this time you can follow the doctor’s instructions oral clopidogrel and other drugs anti-platelet therapy. 2. Myocardial infarction: if myocardial infarction triggered by chest discomfort, you need to follow the doctor’s prescription oral anticoagulant therapy with drugs such as ordinary heparin. 3. Reflux esophagitis: If the chest discomfort is caused by the reflux of gastric acid into the esophagus, then omeprazole can be used to inhibit gastric acid under the guidance of the doctor. 4. Pneumothorax: For patients with pneumothorax, surgical treatment such as closed chest drainage can be given at this time. Finally, the phenomenon of chest tightness and breathlessness after dinner with a feeling of pressure in the chest, please consult a doctor in time and according to the doctor’s instructions for treatment, the above drugs please follow the doctor’s instructions.