Adenoid hypertrophy has the possibility of self-healing, but at present there is no statistics on the percentage of self-healing, and even if it is not self-healing, the symptoms can be controlled. Adenoids, also called pharyngeal tonsils or proliferative body, is located in the nasopharynx, is the pharyngeal lymphatic organs, usually present at birth, 3 ~ 5 years old, the stage of lymphatic organ development is more vigorous, prone to acute rhinitis, acute tonsillitis and other diseases, adenoids due to repeated stimulation of inflammation and pathologic hyperplasia, known as adenoid hypertrophy, usually 8 ~ 10 years old with the gradual shrinkage. The adenoids gradually increase in size with age and shrink after puberty. Adenoid hypertrophy may cause symptoms such as tongue root falling back, snoring, increased nasal secretion, nasal sound, etc. Prolonged open-mouth breathing leads to impaired facial bone development, resulting in tooth irregularity, tooth exposure and other symptoms, and there may be slow reaction, abnormal behavior, inattentiveness and other symptoms, and in serious cases, can be done X-ray nasopharyngeal lateral film or CT examination, and can be given to the surgical treatment, if necessary. Children found with this disease should try to avoid colds, eat a balanced diet with plenty of vegetables and fruits, and exercise regularly to strengthen their resistance.