Chest tightness and breathlessness with pressure in the chest may be caused by angina pectoris, cardiac neurosis, bronchial asthma, etc. You can take isosorbide nitrate tablets, glutamine tablets, terbutaline tablets and other medicines under the guidance of a doctor to treat it. 1. angina: mainly because of myocardial ischemia and hypoxia and chest tightness and breathlessness chest pressure and other symptoms. It is recommended to take isosorbide nitrate tablets and other drugs as prescribed by the doctor for treatment. 2. Cardiac neurosis: cardiac neurosis is caused by mental and psychological factors, which can lead to chest tightness, breathlessness, chest pressure and other symptoms. It is recommended to follow the doctor’s advice oral glutamine tablets, metoprolol tartrate tablets and other drugs for treatment. 3. Bronchial asthma: mainly due to respiratory tract infections and mechanized factors, may appear chest tightness and breathlessness chest pressure and other symptoms. It is recommended to take budesonide, terbutaline tablets, prednisone acetate tablets and other drugs as prescribed by the doctor. Patients with chest tightness and breathlessness and pressure sensation in the chest should go to the hospital in time, clarify the cause of the disease under the guidance of the doctor, and take effective treatment.