A bump on the face can be caused by acne, flat warts, sebaceous cysts and other diseases, which can be treated with general treatment, medication, physical therapy, surgery and other ways. 1. Acne: A bump on the face may be caused by acne, which requires reducing the intake of high-sugar foods and dairy products. Patients can apply retinoids, such as adapalene gel and tazarotene, to improve the keratinization of the sebaceous gland ducts of the hair follicles, but this drug carries the risk of teratogenicity. Topical azelaic acid cream can also be used to inhibit acne formation. 2. flat warts: for flat warts caused by a raised flesh grain on the face, you need to pay attention to personal hygiene, do not scratch the affected area. Patients can take freezing treatment, laser treatment and other ways to help remove warts. In addition, you can also follow the doctor’s prescription of topical interferon, can enhance the role of cellular immunity. 3. Sebaceous cysts: If a sebaceous cyst is the cause of a raised granule on the face, you need to do a good job of facial cleansing and eat a light diet. Patients can take surgical excision, can remove facial cysts. There are many reasons for a raised granule on the face, and it is recommended that the patient go to the hospital to get a clear picture of the cause.