Sour heart, there may be digestive system diseases, you can take oral omeprazole; if it is a cardiac system diseases, you can take sublingual nitroglycerin, etc., you should consult a doctor in time, symptomatic treatment. 1. Digestive system diseases: heart acid acid, there may be gastritis, bile reflux, there is a burning sensation in the stomach, acid reflux, nausea and other uncomfortable symptoms, you can take oral omeprazole. It is recommended to go to the regular hospital in time to check, follow the doctor’s instructions to eat some drugs for gastritis, usually eat more fresh vegetables and fruits, light diet, work and rest. 2. cardiac system diseases: if angina, there will also be a feeling of heart acidity, manifested as chest tightness, fatigue, the heart’s tightness, can be sublingual nitroglycerin, if not relieved, to do myocardial enzymes and other further examination. There may be other reasons for the symptoms of heart soreness and acidity, and it is recommended to go to the regular hospital for diagnosis and treatment.