Dizziness and chest pain after eating may be caused by digestive system diseases and cardiovascular system diseases. 1. Digestive system diseases: digestive system diseases such as gastroesophageal reflux disease, acid reflux, heartburn, dizziness will occur after eating, there will also be the symptom of retrosternal pain, need to improve the endoscopy examination in time, to clarify the cause of the disease, gastroesophageal reflux disease generally need to take a proton pump inhibitor, such as omeprazole, but it is recommended to follow the instructions of the medical practitioner to take this drug. 2. cardiovascular system diseases: cardiovascular system diseases such as myocardial infarction, this disease can appear chest crushing pain, and even have the feeling of dying, past history of cardiovascular disease, may lead to dizziness and chest pain after eating symptoms, under the guidance of the doctor in time to accept the appropriate treatment, such as thrombolytic therapy within a certain period of time. Dizziness and chest pain after eating may also be other causes, the patient must consult a doctor in a timely manner, under the guidance of specialists to treat the corresponding diseases, to avoid the development of the disease.