There is no best dietary treatment for children with cough and phlegm, but it is usually recommended to eat a light diet, eat easy-to-digest food, usually strengthen the care, if not relieved, should consult a doctor in a timely manner, according to the different causes of the disease to take targeted treatment. Children coughing with phlegm does not have which dietary treatment is best, but dietary principles suggest a light diet, drink more water, eat easily digestible food, do not eat spicy stimulation, too salty or too sweet food. Dietary adjustments also need to strengthen the daily care, such as pay attention to warmth to avoid being cold, to maintain the appropriate temperature and humidity indoor, open the windows often, to maintain air circulation and so on. If you can’t get any relief, it is recommended to consult a doctor. Because there are many reasons for children to cough with phlegm, after further examination, to determine the cause of the disease, follow the doctor’s instructions for targeted treatment. Food is not a substitute for medicine.