If you experience chest tightness and breathlessness before your period, you need to rule out that it is due to cardiopulmonary disease, which requires a chest X-ray and also a 24-hour ambulatory electrocardiogram. If, after ruling out these causes, there are no such symptoms at other times, but the sensation occurs only at specific times, it needs to be considered to be caused by PMS. At this time, the patient may also suffer from irritability, insomnia, nervousness and depression, and is also prone to headache, facial edema and breast tenderness. Some women may also experience easy fatigue, reduced interest, hyperphagia and reduced concentration. Most of them do not have a great impact, but the symptoms can affect the patient’s life and work when they are more serious. It can be treated by traditional Chinese medicine (TCM). According to TCM, it is mainly caused by liver qi discomfort, and can be treated with drugs to regulate liver qi, the more commonly used one is Zhuangyao pill. In more serious cases, it is best to go to the hospital for a checkup and use medication under the guidance of a doctor.