Third-degree hypertrophy of tonsils in children is mostly caused by physiological factors. If there are no symptoms, no special treatment is needed; if it affects swallowing, breathing or vocalization, more surgical treatment is needed. If it is caused by bacterial or viral infection, general treatment and medication will be used. 1. Physiological hypertrophy: under normal physiological conditions, the tonsils of children under the age of 3 can be physiologically enlarged, and basically disappear when they become adults; participate in physical exercise to enhance physical fitness and disease resistance. Taking vitamin C, cod liver oil, etc., with the growth of age, hypertrophy of the tonsils will gradually shrink. If there are swallowing and breathing difficulties, affecting the voice, surgical treatment can be taken. 2. Pathological hypertrophy: mostly caused by bacterial infection, the oral cavity can be localized hydrogen peroxide solution gargle, follow the doctor’s instructions to use penicillin and other antibiotics; for viral infections caused by, there is no specific drug, through physical exercise, balanced nutrition when the way to enhance the physical condition; for the above treatment is ineffective or serious impact on the respiratory time, can be used for surgical treatment. There are many factors that can cause enlarged tonsils in children, so it is recommended to consult a doctor in time to clarify the cause of the disease and have it evaluated and treated by a specialist.