Chronic tonsillitis in children, mostly caused by repeated episodes of acute tonsillitis or tonsillar crypt pathogen growth, causes dry throat, sore throat, cough and other symptoms. Children who are prone to colds or have a history of recurrent acute tonsillitis can cause necrosis of the crypt epithelium, accumulation of bacteria and inflammatory exudates in the tonsillar crypts, and poor drainage of the crypts can lead to episodes of chronic tonsillitis. In addition, other diseases such as influenza, diphtheria, sinus infections and other diseases can also have secondary tonsillitis. Children can have symptoms such as sore throat, dry throat, itchy throat, irritating cough, etc. If the tonsils are over-enlarged, it can cause snoring during sleep, breathing disorders, swallowing disorders and other manifestations. Children with chronic tonsillitis, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.