In life, many small children complain to their parents about pain in the body. Some parents do not take it seriously and think that it will be fine in a few days, but if the child has pain in the very middle of the chest, parents should not take it lightly. Because this pain is often caused by disease, if not treated in time, it may delay the treatment. 1, first of all, consider heart problems, especially for people with a family history of heart disease, heart disease has a great chance of inheritance, like this case, parents should promptly take their children to the hospital to do electrocardiograms, echocardiograms and myocardial enzyme examination, if there are problems, as soon as possible for treatment. 2, because many children are under greater pressure in learning, children in the heart of boredom, will also appear in the middle of the chest pain problem, like this case, take medication is not effective, parents must promptly communicate with the child to lift the child’s heart. 3, muscle strain, this situation is very common in small children, mainly caused by the child overload, parents do not worry too much, like this case, after a period of rest will be able to gradually recover. 4, gastrointestinal diseases, many children are inaccurate judgment of pain, if the child has pain in the middle of the chest, there may be gastrointestinal diseases, common stomach cramps, reflux gastritis will appear this symptom, usually suffering from gastrointestinal diseases of children are not very good appetite, can be distinguished from other diseases through this point. 5, rib fractures, many children like to play sports, especially some boys, when the sports fall or bump, there may be rib fractures, generally in the fracture pain is continuous, activity will be significantly aggravated, some will also appear chest tightness, local swelling symptoms. Whatever the case, parents should not take it lightly and take their children to the hospital in time to check the cause and deal with it, not to delay the treatment because of carelessness.