Poor breathing always want to take a deep breath may be due to respiratory diseases, such as emphysema, bronchiectasis, bronchial asthma and so on. According to the different causes, take different treatment methods: smoking cessation, oral medication, nebulized inhalation, oxygen therapy, etc.. 1. Emphysema: often manifested as shortness of breath, shortness of breath, activity limitation. General conventional treatment includes: smoking cessation, bronchodilators such as salbutamol, anti-infective treatment, oxygen therapy and so on. 2. Bronchodilator: when there is acute infection, it often manifests as dyspnea, and anti-infective drugs such as ampicillin/sulbactam and levofloxacin should be given. 3. Bronchial asthma: asthma is mostly characterized by episodic cough, chest tightness and dyspnea. Drugs for asthma can be categorized into control drugs and reliever drugs. Control drugs need to be used daily and maintained for a long time, including glucocorticoids (such as budesonide nebulized inhalation), leukotriene modulators (such as montelukast), long-acting β2-agonists (such as salmeterol), slow-release theophylline and so on. Relief emergency medications are used on an as-needed basis when symptoms are present and relieve asthma symptoms by rapidly relieving bronchospasm, including rapid-acting inhaled and short-acting oral β2-agonists such as salbutamol. There may also be other causes for poor breathing, such as pleural effusion, pneumothorax, lung tumors, cardiac insufficiency, etc. It is recommended that you go to the hospital in time, complete the examination to clarify the cause of the disease, and then give targeted treatment or therapy. All of the above medications should be used under the guidance of a doctor, avoid self-medication.