White spots in the throat are considered to be caused by oral ulcers, laryngeal keratosis, vocal cord leukoplakia and other diseases. 1. Oral ulcers: the cause is complicated and still unclear, mostly related to infection, endocrine changes, genetics and other factors, oral ulcers occur in the tongue, lips, soft palate, gums, throat and other parts of the round or oval ulcers, and is covered with a layer of white pseudomembrane, and accompanied by burning pain. 2. laryngeal keratosis: it refers to the laryngeal mucosal epithelial keratinization hyperplasia lesion, which can be complete keratinization or incomplete keratinization, and it can occur in any part of the laryngeal mucosa, and the surface of the mucous membrane can be seen as white flaky elevation, which is not easy to be erased, and the clinical manifestation is hoarseness of the voice. 3. Vocal cord leukoplakia: incomplete keratinization is also known as vocal cord leukoplakia, mostly caused by the interaction of genetic susceptibility and adverse environmental factors, the clinical manifestations of this disease lack of specificity, the main symptom of hoarseness, a few patients will have a foreign body sensation in the pharynx, and in the nasopharyngolaryngoscopy, the surface of the vocal cords can be observed to have white spots. People with white spots in the throat should go to the hospital in time, after clarifying the cause of the disease, receive treatment as soon as possible.