Difficulty in breathing, if the symptoms are caused by strenuous exercise, you can rest for a few moments to see if it gets better, if it does not get better after resting, you can go to the hospital for treatment. If you have the symptoms of dyspnea, you can also treat the symptoms according to the cause of dyspnea. 1. If the dyspnea is caused by bronchial asthma, short-acting β2 agonists, such as albuterol sulfate and terbutaline sulfate tablets, can be used in first aid. When the disease is under control, orally sprayed hormones plus β2 agonists can be used, such as salmeterol ticarbonate powder inhaler and formoterol. 2. If the dyspnea is caused by interstitial lung disease, anti-fibrotic drugs such as Nidazanib can be taken under doctor’s supervision for anti-fibrotic treatment. 3. If the dyspnea is caused by acute exacerbation of chronic obstructive pulmonary disease (COPD), different medications should be used according to the triggers of acute exacerbation. Generally, bacterial infection can be treated with drugs such as cefoperazone. No matter what the cause of the disease, the above drugs need to be used according to the cause of the disease under the guidance of a doctor.