Warts on the face can be distinguished by visual observation and pathological examination. 1. Naked eye observation: the patient can be observed through the naked eye to determine whether the face is long warts, warts are generally soybean size or larger gray-brown, brown or yellow papules, rough surface, hard texture, can form a papillary keratinized material. 2. Pathological examination: warts on the face can be observed under the microscope by cutting part of the affected warts, which helps to determine whether it is a wart. Typical manifestations of warts under the microscope are vacuolated degeneration of the granular layer and the spiny cells under the granular layer. The degenerated cells contain basophilic inclusion bodies as viral particles, and may also be characterized by hyperkeratosis and hyperkeratosis. 3. Confocal microscopy: Skin confocal microscopy can clearly differentiate between warts or common eczema, folliculitis, acne, etc. Patients with warts on the face are advised to go to the hospital in a timely manner to clarify the cause of the disease and then standardize the treatment according to the doctor’s instructions.