If adenoid hypertrophy is caused by allergies, early treatment with nasal rinses can be effective. If not, nasal irrigation alone is not effective. Adenoid hypertrophy is mostly caused by repeated stimulation of inflammation, such as repeated upper respiratory tract infection stimulating glandular hyperplasia can lead to congestion and swelling, such as the magnitude of adenoid hyperplasia has caused nasal congestion, snoring and otitis media, etc., need to be actively treated, most early conservative treatment can be performed, nasal rinses and oral montelukast can be given, limited to allergy-induced. If the effect is not good, only surgical treatment can be taken. At present, most of the adenoids under plasma ablation, which is minimally invasive surgery, with little damage, less bleeding and fast recovery.