Scattered white granular hyperplasia on the face may be caused by milia, whitehead pimples, flat warts and so on. 1. Corns: inflammation and other factors stimulate the skin proliferation, the formation of benign swellings or retention cysts, often white or yellowish-white pimples, can appear in the skin scattered white granular material phenomenon, extrusion can be sebaceous material discharged. 2. Whiteheads: a type of acne vulgaris, due to the local sebaceous gland secretion, sebum stagnation, the formation of sebaceous plugs caused by the phenomenon of white granular skin hyperplasia. 3. flat warts: caused by human papilloma virus infection, the virus will stimulate the skin tissue proliferation, flat elevated papules, can appear white granular material. The actual fact is that there are a lot of people who have been in the business for a long time, and they have a lot of people who have been in the business for a long time, and they have a lot of people who have been in the business for a long time.