Subtonsillar cysts are usually caused by pharyngeal infections and repeated stimulation of inflammation, and different treatments can be chosen according to the size of the cysts. If the cysts are relatively small and have no obvious symptoms, they can be left untreated for the time being, and if the cysts are relatively large, they can be surgically removed according to the symptoms. If the cyst is relatively small, usually no discomfort symptoms, can be temporarily observed, no special treatment, regular checkups can be, if the cyst is relatively large, resulting in a foreign body sensation in the pharynx, or even swallowing difficulties, and continue to increase may cause the cyst to rupture, secondary infections, this situation needs to be treated through surgical procedures, the cyst will be removed. It is recommended that patients with tonsil cysts go to the hospital, so that specialists can choose the appropriate treatment according to the actual situation, and follow the doctor’s instructions for medication.