A 5-year-old baby sneezing yellow snot with no other symptoms may have inflammation in the nasal cavity. It is recommended to pay attention to daily care and give anti-infective and antihistamine drugs for treatment if necessary. If the child has no symptoms but sneezes with yellow snot, it is considered to be related to inflammation inside the nasal cavity. Inflammation inside the nasal cavity may lead to increased secretion, which can be discharged by sneezing. If it is a bacterial infection, it is recommended to give anti-infection treatment such as amoxicillin under the supervision of a doctor. It is also important to find out whether it is related to allergic rhinitis, and if necessary, with antihistamines, such as loratadine syrup and levocetirizine hydrochloride to help relieve it. 5-year-old baby sneezing yellow snot, pay attention to daily care, also recommended timely to the hospital for examination, combined with the doctor’s advice for treatment, to avoid further aggravation of symptoms.