Infants drink milk like phlegm in the throat, may be related to physiological factors, may also be due to upper respiratory tract infection, pediatric bronchitis and other causes. 1. Physiological factors: smaller babies swallowing function is still immature, easy to cause saliva or milk often stay in the throat area, it may cause when drinking milk like phlegm in the throat. This is a normal physiological phenomenon, generally do not need special treatment. 2. Upper respiratory tract infections: when the baby suffers from upper respiratory tract infections, it is easy to lead to congestion in the throat area and increased secretions, which may cause the throat to look like phlegm when drinking milk, and may be accompanied by nasal congestion, runny nose and other manifestations. 3. Pediatric bronchitis: usually caused by bacterial, viral and other pathogens infecting the baby’s bronchial tubes, due to inflammation of the bronchial mucosa, resulting in an increase in secretions, which may cause the throat to look like phlegm when you drink milk, and may be accompanied by a dry cough, fever and other symptoms. The baby’s throat when drinking milk like phlegm, there may also be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.