Yellow snot sinusitis in children can be treated with nasal rinses, nasal sprays, oral medications and surgery. 1. When children have yellow snot sinusitis, if the snot is heavy and sticky, they can use saline nasal irrigation to clean up the sticky yellow snot, or use nasal sprays to spray the nose, such as mometasone furoate nasal spray, etc., so as to relieve the symptoms of sinusitis and yellow snot. 2. If the child is accompanied by fever, headache and other symptoms of infection, you can take oral antibiotics for anti-infection treatment, such as amoxicillin, cefaclor, etc., if accompanied by nasal congestion, sneezing symptoms, you can also with oral antihistamines to improve, such as cetirizine. 3. If the child’s sinusitis is relatively serious, after local medication, oral drug treatment effect is not good, you can carry out surgical treatment to relieve the symptoms of sinusitis. The above medications need to be used under the guidance of a medical professional. Children with yellow snot sinusitis symptoms, to take the child to the hospital ENT in a timely manner, so as not to delay the child’s condition.