A four- or five-year-old baby with a strong cough can be relieved by a light diet and proper exercise, or medication can be used under the guidance of a doctor to relieve cough symptoms so as not to delay the condition.1. Non-pharmacological treatment: So in daily life, you can let your baby take physical exercise appropriately and give a light, easy-to-digest liquid or semi-liquid diet, such as vegetable juice and millet porridge, increase water intake and keep the bowels open. Try to reduce the intake of spicy and stimulating food, and increase the intake of vitamin and protein food, such as peaches, oranges, fish, etc. Wash indoor bed sheets and other items in a timely manner to prevent dust mites from stimulating your baby’s respiratory tract and causing a cough. 2. Medication: When your baby has a cough caused by a bacterial infection, you can use antibiotic medications such as levofloxacin and moxifloxacin under the guidance of your doctor. If the cough is caused by mycoplasma infection, the baby can take anti-mycoplasma drugs such as azithromycin and erythromycin of the macrolide antibiotic class for effective treatment as prescribed by the doctor. If the cough is severe, you can use cough suppressants, such as compound forcodine oral solution, pediatric cough suppressant oral solution, or take nebulized inhalation medications, such as budesonide and terbutaline, to relieve cough symptoms. When a baby develops pneumonia, the increased bronchial secretions cause the organism to develop a defensive cough. It can be treated orally with the aid of paediatric pills such as paediatric pills and dioxopromazine hydrochloride pills. When the baby has a cough caused by bronchitis, it can take medicines such as amoxicillin capsules, Lianhua Qingfei capsules and paediatric pills to relieve phlegm and cough as prescribed by the doctor.