Coughing all the time after a cold is due to respiratory tract infection triggered by the cold, resulting in laryngitis and irritating cough. In terms of treatment, patients can take amoxicillin, cephalosporin and other drugs for treatment, as well as oral cough suppressant drugs, you can choose cough expectorant syrup, usually about a week to recover. If the cough symptoms are not relieved all the time after the cold, hospital admission is required. During the period of cold and cough, patients need to eat light food in their diet and avoid spicy, greasy and stimulating food, otherwise it will aggravate the condition. During this period, they need to drink more warm water and pay attention to keeping warm.