There are mainly the following diseases in the throat blisters clinically: first, is herpes pharyngitis, more common in children, adults also have, it is mainly due to viral infection caused by the pharynx mucous membrane diffuse, multiple herpes, mainly pharyngeal pain, fever and other clinical manifestations of the main. Secondly, there are patients who eat fish spines, fish bones, chicken bones or traumatic stimulation of the pharynx resulting in localized blood vesicles under the mucosa, usually with pain and discomfort after trauma. Thirdly, patients with lymphatic follicles at the root of the tongue in the back wall of the throat, which is a manifestation of pharyngitis, can generally appear dry throat, foreign body sensation in the throat, burning sensation in the throat, repeated throat clearing and other clinical discomfort. All in all, patients with vesicles in the throat are recommended to go to the ENT department for routine examination of the oropharynx and, if necessary, to improve the laryngoscopy and other related examinations.