The epiglottis is located behind the root of the tongue, above the vocal folds, and is composed of cartilage and surface mucosa. The epiglottis is shaped like a leaf, wide at the top and narrow at the bottom; the narrow epiglottis cartilage stem at the lower end is connected to the inner surface of the anterior horn of thyroid cartilage by a ligament. The way to swallow food and inhale air is the pharynx. When food is swallowed, the epiglottis descends to cover the vocal folds to prevent food from entering the airway by mistake, resulting in aspiration and pharyngeal mistake. Clinical common epiglottitis is acute epiglottitis, the main symptom is pain in the throat, there will also be breathing difficulties, and even fainting, shock, etc., if the treatment is not timely, it may even be life-threatening. If there are symptoms of throat discomfort, it is recommended to go to the hospital in a timely manner, complete the electronic laryngoscopy, clarify the cause, and follow the doctor’s instructions to deal with.