Coughing and wheezing may be allergic cough, severe lung infection, bronchial foreign body, cardiogenic cough, lung cancer, etc. 1. Allergic cough: caused by airway hyperreactivity, such as cough variant asthma, bronchial asthma, there will be chest tightness, shortness of breath and other symptoms on the basis of cough. 2. Severe lung infections: severe lung infections with large amounts of sputum difficult to expel will also affect the ventilation function of the lungs, cough, chest tightness, shortness of breath and other symptoms. 3. Bronchial foreign body: blockage of bronchial tubes, localized inflammation, cough, sputum, shortness of breath, chest tightness and other symptoms. 4. Cough of cardiac origin: cough of cardiac origin makes the lungs stagnant and the circulation in the lungs not smooth, accompanied by the manifestation of dyspnea. 5. Lung cancer: the tumor blocks the trachea and bronchial tubes, affecting the air exchange and leading to obstructive ventilation dysfunction, which is mainly manifested as coughing, coughing up sputum, shortness of breath, chest pain and so on. There are many other reasons for coughing and shortness of breath. It is recommended to go to regular hospitals for early diagnosis and treatment to clarify the causes of the disease, so as not to miss the condition.