There are white ulcer-like white spots in the throat eye, if it is found by examination commonly found in laryngeal leukoplakia, vocal cord leukoplakia; if it is seen by opening one’s own mouth, it may be a pharyngeal ulcer covered with white moss and so on. 1. Laryngeal leukoplakia: refers to the laryngeal mucosa epithelial cells flaky hyperkeratotic hyperplasia, presenting thick white lesions. It is mostly seen in the vocal cords and is often considered to be a precancerous lesion. The cause of laryngeal leukoplakia may be related to excessive smoking and alcohol, improper use of voice, environmental stimuli and vitamin deficiency. The main manifestation is hoarseness, which gradually worsens with the continuous development of the disease. Laryngoscopy reveals slightly raised white flat flaky and neatly surfaced patches on the surface or edge of the vocal folds, which are limited in scope and not easy to be removed. 2. Vocal cord leukoplakia: refers to flaky keratinized hyperplastic lesions of the laryngeal mucosa of the vocal cords. Its pathogenesis may be related to chronic inflammatory stimulation, smoking, improper use of voice, vitamin deficiency. Main pathological changes: laryngeal mucosal epithelial hyperplasia and incomplete keratinization, submucosal tissue with mild hyperplasia. 3. Oral ulcers: oral ulcers such as occur in the pharynx, can be manifested as pharyngeal ulcers, the surface can be covered with necrotic tissue, similar to white spots. White ulcer-like white spots in the throat eye may also have other causes, such as the above symptoms, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor for formal treatment.