Adenoids are hidden in the back of the nasal cavity and are lymphatic tissue at the top of the nasopharynx. Adenoids exist after birth and proliferate with age, most of them are largest around 4-6 years old and gradually degenerate later, and generally start to atrophy after 10 years old. However, there are a few people who do not shrink all the time. Adenoid hypertrophy in children is physiological, and only those who affect the general health or adjacent organs are called adenoid hypertrophy. The main hazards include 1, adenoid hypertrophy, can lead to nasal obstruction, obstructing nasal drainage, so that rhinitis does not heal for a long time; 2, due to the impact of nasal obstruction and open mouth breathing during sleep, airflow will impact the hard palate, making it deformed, high arch, resulting in a high arch of the hard palate, teeth alignment, upper incisors protruding, poor bite, etc. It is currently considered to be one of the causes of dental disease in children; 3, children with long-term breathing through the mouth, the nose does not The child’s nose is not ventilated, so the child is deprived of oxygen during sleep, easily causing ischemia and hypoxia in the head, mental depression, headache, dizziness, slow reaction and other phenomena, causing hyperactivity, mental disorders, stunted growth, general adenoid hypertrophy children, height, weight are lower than the average level of the same age. Therefore, for adenoid hypertrophy, with the above-mentioned symptoms, the general use of surgery, conservative treatment is often poor. The results of conservative treatment are often poor.