Chest pain may be caused by diseases such as pleurisy, costochondritis, angina, etc. In women, it may also be caused by premenstrual syndrome. 1. Pleurisy: It is caused by a variety of etiologic factors, commonly associated with viral, bacterial, fungal, parasitic and other infections. Symptoms such as chest pain and chest tightness can occur, and the pain is mostly stabbing and pulling pain. 2. Costochondritis: the cause is unknown, mostly related to infection, thoracic rib joint ligament injury, trauma and other reasons. It is mainly manifested as pain in the chest area, and the pain can be radiated to the back and abdomen, which is often pinprick pain. 3. Angina pectoris: it is caused by myocardial hypoxia due to the decrease of myocardial blood flow, with episodic pain as the main clinical manifestation, and there can be crushing pain in the chest. 4. Premenstrual syndrome: it can be manifested as breast swelling and pain, headache, anxiety and other symptoms, and most of the symptoms will disappear naturally after menstruation. The cause of chest pain is more, may also be herpes zoster, pneumonia, coronary heart disease and other diseases caused by the hospital in a timely manner to identify the cause of the disease, to take symptomatic treatment, to avoid delaying the condition.