Coughing and sore throat are mostly caused by acute respiratory infections, excessive use of the voice, poor diet and so on. 1. Acute respiratory tract infections caused by bacterial or viral infections after getting cold, such as acute upper respiratory tract infections, acute pharyngolaryngitis, acute suppurative tonsillitis, herpetic pharyngitis, acute trachea-bronchitis and so on. 2. Excessive use of the voice: such as hoarseness, sore throat and coughing after shouting and yelling after emotional excitement. 3. Poor diet: excessive consumption of spicy and stimulating food causes redness, swelling and pain in the throat, which in turn causes coughing. In addition, the presence of gastroesophageal reflux, acid reflux stimulation can also cause coughing and sore throat symptoms, it is recommended that the symptoms failed to improve or even gradually aggravated, the need for timely consultation in a regular hospital, with the doctor to improve the examination, standardized treatment.