A little pain in the heart is called precordial pain, and there are many reasons for precordial pain, generally considered to be caused by coronary heart disease, costochondritis, reflux esophagitis and other reasons. You need to clearly diagnose the causes of precordial pain in order to carry out targeted treatment and medication. 1. Coronary heart disease: due to coronary artery stenosis, obstruction. Isosorbide nitrate tablets, compound danshen tablets and other drugs can be applied under the guidance of the doctor, and more serious conditions require intravenous thrombolysis, coronary artery bypass grafting, stent implantation and other methods of treatment. 2. Costochondritis: pain in the precordial area can occur, which can be treated with diclofenac sodium extended-release tablets, prednisone acetate tablets and other medicines under the guidance of the doctor, and can be combined with traditional Chinese medicine, acupuncture, physiotherapy and other methods for synergistic treatment. 3. reflux esophagitis: there can be a burning sensation and pain behind the sternum, can be applied under the guidance of a physician pantoprazole tablets, aluminum phosphate gel and other drugs to treat. A little pain in the heart needs to be diagnosed after the cause of the drug treatment, must go to the hospital for examination.