Foreign body sensation after epiglottis cyst surgery may not have fully recovered from the wound. If it persists, it may be related to improper postoperative diet or chronic laryngitis itself. After surgery for epiglottis cyst, the wound needs to recover slowly. When the surgical incision is not fully healed, the presence of mucosal trauma in the laryngopharynx can lead to a foreign body sensation in the throat. As the wound heals, the foreign body sensation will subside. If the foreign body sensation persists, there may be chronic pharyngolaryngitis, which is a persistent chronic inflammation of the mucous membrane of the pharynx, and chronic pharyngolaryngitis can cause symptoms such as a foreign body sensation in the pharynx. After the surgery of epiglottis cyst, you should pay attention to warm and cold semi-liquid diet, eat more vegetables and fruits in daily life, pay attention to vitamin supplementation, which can promote the mucous membrane repair, if the improper diet after the surgery, it will affect the prognosis of the surgery. It is recommended to actively cooperate with the doctor to do rehabilitation therapy after surgery, and if there is any discomfort, standardized treatment will be given after examination by the doctor.