There are many reasons why you have to cough several times a day, such as cold stimulation, allergic factors, laryngitis, respiratory tract infections and so on. 1. Cold stimulation: the throat suddenly suffers from cold stimulation, inhalation of cold air, can lead to respiratory mucosal congestion, edema, so there will be a few dry cough every day phenomenon. 2. Allergic factors: exposure to allergens, can trigger bronchial asthma, cough variant asthma and other diseases, can be irritating cough, which will lead to a few dry cough every day. 3. Laryngitis: laryngitis will not only have a foreign body sensation in the throat, dry throat and other phenomena, but also due to the itchy throat caused by irritating food, so there will be a dry cough a few times a day. 3. Respiratory tract infections: viral infections, bacterial infections, etc., can cause epithelial damage to the respiratory mucosa, so there will be a few dry coughs every day. Dry cough every day can also be seen in other causes, such as lung cancer, gastroesophageal reflux disease, and so on, after the emergence of symptoms, it is recommended to go to the hospital in a timely manner to improve the examination, follow the doctor’s instructions to take the standardized treatment, do not ignore the symptoms, delay the condition.