Chest tightness, shortness of breath and dyspnea are considered to be related to bronchial foreign body, spontaneous pneumothorax, bronchial asthma, etc., which can be treated with medication or surgery as prescribed by the doctor. 1. Bronchial foreign body: due to too fast, too rapid diet, so that the foreign body inhaled into the respiratory tract, can appear dyspnea, sometimes accompanied by chest tightness. Shortness of breath and other discomforts, clear bronchial foreign body can first try to Heimlich method of first aid to expel the foreign body. If it is not effective, you need to consult a doctor to follow the medical advice of oxygen, and through the endobronchial endoscopy or surgery to remove the foreign body in the bronchial tube, so as to avoid asphyxiation, respiratory failure and other situations. 2. Spontaneous pneumothorax: patients with previous pulmonary alveoli may experience chest tightness, shortness of breath, dyspnea and other symptoms during strenuous exercise or turning or coughing, spontaneous pneumothorax patients should immediately cooperate with the doctor to perform thoracocentesis and aspiration, closed drainage of the chest cavity to relieve the lung compression. For patients with serious conditions, they can also seek medical treatment for thoracoscopy and open chest surgery to prevent accidents. 3. Bronchial asthma: bronchial asthma patients in contact with allergens, may also appear chest tightness, shortness of breath, dyspnea and other discomforts, can be used budesonide, fluticasone, prednisone, methylprednisolone and other glucocorticosteroid treatment, but also can be used in salbutamol, salmeterol and other β2 agonists, montelukast, zalustat, and other leukotriene modifiers to ease the treatment. In some patients, theophyllines such as aminophylline and extended-release theophylline, and anticholinergics such as ipratropium bromide and tiotropium bromide may be prescribed to relax the bronchial tubes, thereby relieving the discomfort. If necessary, bronchial thermoplasty treatment is feasible in some patients, thus reducing asthma attacks. There are many causes of chest tightness, shortness of breath and dyspnea, such as pneumonia, acute left heart failure, pleural effusion, pulmonary atelectasis and so on. Patients are advised to follow the doctor’s instructions after clarifying the disease to prevent accidents. The above medications need to be used under the guidance of a physician.