Baby cough phlegm need to identify the specific causes to take treatment, common causes are physiological, acute upper respiratory tract infection, pediatric bronchitis, pediatric pneumonia, etc., after a clear diagnosis of general treatment or drug therapy. 1. Physiological: may be due to dry climate, inhalation of dust and tracheal foreign body stimulation, need to keep the air moist, avoid contact with dust, tracheal foreign body need to go to the hospital to confirm the diagnosis and remove the tracheal foreign body. 2. Acute upper respiratory tract infection: first of all, pay attention to keep warm, drink more water, diet to the flow of food. Secondly, you can take Ambroterol oral solution orally. If the cough is irritating and dry, which seriously affects your daily life or sleep, you can use Dextromethorphan hydrobromide oral solution as prescribed by the doctor to relieve the symptoms. 3. Pediatric bronchitis: viral infection is more serious, you can follow the doctor’s advice oral ribavirin particles; bacterial infection, you can take cefixime particles or amoxicillin clavulanate potassium particles. At the same time to the baby drink more water, pat the back to promote the discharge of phlegm. 4. Pediatric pneumonia: you can take oral cefixime particles, pediatric phlegm and cough particles and other anti-infective symptomatic treatment, severe symptoms can do nebulizer inhalation therapy. At the same time, pay attention to the baby’s nutritional balance, should not eat non-digestive food. Cough phlegm baby recommended to the regular hospital to find a professional doctor to identify the causes of systematic diagnosis and treatment, not blindly self-medication, so as not to delay the condition.