Baby with phlegm in the throat should do the following: 1, first of all, pay attention to oral cleaning, rinse more mouth, drink more water; 2, then keep the air fresh, and actively treat infections of the oropharynx and related organs, such as rhinitis, sinusitis, bronchitis or pneumonia, and chronic inflammation of the respiratory tract; 3, the application of phlegm-suppressing drugs, nebulized inhalation, the application of drugs that dilute phlegm is conducive to the discharge of mucus; 4, sinusitis caused by phlegm , nasal flow backward to the pharynx sometimes the child can not spit out, to take the sinus rinse, 2-3 times a day, or the use of sinus replacement therapy; 5, aspiration. The child sometimes will not spit out, can be used nasal catheter aspiration or direct aspiration.