According to the medical history, symptoms and physical symptoms, it is easy to diagnose, and the diagnosis is facilitated by pediatric-type fiberoptic nasopharyngoscopy and X-ray nasopharyngeal lateral radiography or CT examination, and attention should be paid to differentiate from postnasal orifice polypharyngeal tumors, such as lymphosarcoma. 1.Waiting symptoms Due to the accumulation of pharyngeal tonsil hypertrophy and inflammatory secretions in the nasopharynx, the pharyngeal orifice of the eustachian tube is obstructed, which can be complicated by non-suppurative or suppurative otitis media, resulting in hearing loss and tinnitus, and ear stuffiness. 2.Nasal symptoms Pharyngeal tonsillar hypertrophy is often complicated by rhinitis and sinusitis, patients have nasal congestion, runny nose, open mouth breathing, salivation, speech with occlusive nasal sound, sleep snoring and other symptoms. 3, respiratory tract infection symptoms Because the inflammation does not work, secretions stimulate the respiratory tract mucosa, often causing pharyngeal, tracheal and bronchitis, so patients can appear pharyngeal discomfort, voice change, coughing and spitting, shortness of breath, low fever and other symptoms. 4, “adenoid face” due to long-term open-mouth breathing, affecting the development of facial bones, long and narrow maxilla, hard palate high arches become narrow, teeth protrusion, irregular teeth, bad bite, lower jaw sagging, thick lips, upper lip up, lower lip hanging, canthus down, shallow nasolabial groove, plus mental depression, facial expression dull, dull, that is, the so-called “Adenoid face”. 5.Systemic symptoms Mainly chronic poisoning symptoms and neurological reverse symptoms, manifested as poor nutritional development, chicken chest, anemia, emaciation, low fever, indigestion, easy fatigue, headache, inattentiveness, boredom, easily frightened, irritable temperament, grinding teeth in sleep at night, urination, etc. 6, local examination can be seen pharyngeal congestion, posterior pharyngeal wall with inflammatory purulent secretions, nasopharyngeal finger palpation and nasopharyngeal parietal posterior wall with soft lymphatic tissue masses, not bleeding, swollen lymph nodes can be found in the neck.