In addition to heart disease, respiratory diseases, digestive diseases and psychological diseases may also cause children to have heart pain. It is recommended to go to the hospital in time to determine the cause and treat the cause. Common causes and treatment 1, heart disease: organic heart disease, such as myocardial injury, myocarditis, various types of cardiomyopathy, in addition to fossa heart pain, can also be accompanied by panic, palpitations, chest tightness, shortness of breath and other symptoms. Parents are advised to take their children to the hospital to improve cardiac examinations, such as electrocardiogram and cardiac ultrasound, and to treat them promptly if they are diagnosed to be caused by heart disease. For example, myocarditis can be treated with coenzyme Q10, vitamin C, fructose diphosphate, etc. Acute fulminant myocarditis needs to be treated with glucocorticoid shock and gammaglobulin as prescribed by the doctor; 2. Respiratory diseases: common ones are pneumothorax, pleurisy, lung infection, lung tumor or bronchial asthma, etc. In addition to heart fossa pain, it can also be accompanied by breathing difficulties and coughing. The doctor should listen to the breathing sounds of the lungs, improve the chest X-ray, and even do lung function and lung CT examination for further consultation, and treat the cause after clarifying the cause. 3. Digestive system diseases: If the child has reflux gastritis, peptic ulcer and other diseases, in addition to pain near the heart fossa, it can also be accompanied by abdominal pain, acid reflux, heartburn and other symptoms, and improve the examination related to H. pylori. Reflux gastritis can be treated with gastroflucan tablets and domperidone tablets as prescribed by the doctor. Peptic ulcer caused by H. pylori need to eradicate H. pylori infection; 4, psychological diseases: individual children, although the pain is very strong, but may be affected by the outside world or emotions, if organic diseases are ruled out, pay attention to whether the psychological aspects of the disease, if necessary, also under the guidance of a professional psychiatrist for related diagnosis and treatment. Precautions need to be taken to keep warm, drink more hot water, eat a light, easily digestible diet, avoid spicy and stimulating, cold food, such as mustard, chili, etc., while avoiding strenuous exercise and ensuring a good mood.