There are many reasons why you want to cough when you speak, such as chronic pharyngitis, chronic bronchitis, bronchial asthma and so on. 1. Chronic pharyngitis: chronic inflammation of the pharyngeal mucosa, submucosa and lymphatic tissues, typical symptoms are foreign body sensation in the pharynx, dryness of the throat, sore throat and other symptoms, which may be aggravated by talking and lead to coughing. 2. Chronic bronchitis: due to infection or non-infectious factors leading to repeated inflammation of the trachea, bronchial mucosa and surrounding tissues, the typical symptoms of coughing, coughing up sputum, chronic coughing for a long time leads to pharyngeal congestion, edema, talking to stimulate the pharynx will want to cough. 3. Bronchial asthma: typical symptoms of repeated episodes of wheezing, shortness of breath, chest tightness or coughing, mostly occurring in contact with allergens, cold air, physical and chemical stimuli, exercise, and so on. Talking about coughing may have other reasons, such as allergic cough, etc., it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, standardized treatment.