In order to avoid aggravating the patient’s symptoms, timely bed rest and oxygenation are needed, and specific causes need to be investigated for targeted treatment, such as pneumothorax, cardiac insufficiency, bronchial asthma or other causes, which may require chest tube drainage, diuresis, and asthma and other related treatments. 1. Pneumothorax: Pneumothorax can lead to chest tightness, dyspnea, chest pain and other related symptoms, usually sudden, confirmed by chest radiographs and other tests, and usually requires chest tube drainage to relieve the symptoms. 2. Cardiac insufficiency: Chest tightness and breathlessness caused by cardiac insufficiency may require treatment with drugs such as cediran to strengthen the heart and furosemide for diuresis. 3. Bronchial asthma: bronchial asthma can also occur chest tightness, wheezing and coughing phenomenon, may need to use terbutaline, budesonide and other drugs for asthma treatment. 4. other reasons: for example, patients with lung infections may need to use levofloxacin, cefixime sodium and other antibiotics; and then for example, mental factors lead to chest tightness, wheezing, may need to calm the emotions, the serious may need to use small doses of diazepam and other sedative treatment. There may also be other causes of breathlessness, such as acute exacerbation of chronic obstructive pulmonary disease, pulmonary embolism, etc. If the symptoms fail to improve or even gradually worsen, it is necessary to consult a regular hospital in a timely manner, and cooperate with the doctor to improve the examination and standardized treatment. The above medications should be used in a standardized and rational manner under the guidance of professional physicians and pharmacists.