If the patient has frequent chest pain, the following points should be considered: First, consider that the patient has high-risk chest pain, for example, the patient has unstable angina of coronary heart disease, or pneumothorax caused by a variety of factors, then the patient will have frequent chest pain. Second, some chronic cardiac diseases, such as coronary heart disease, myocarditis, these factors lead to myocardial blood supply is not complete, or arrhythmia, heart failure, will also appear chest pain. Third, if the patient has acute respiratory infections, such as extensive pleurisy, lung infection, bronchitis, can also trigger frequent chest pain. Fourth, if the patient has intercostal neuralgia, herpes zoster pain, or because of the vegetative nerve function disorder caused by cardiac neurosis at this time, there will also be patients with frequent chest pain symptoms.