Small rice bumps on the face can be considered as diseases such as milia, flat warts or acne. 1. Corns: for the origin of the epithelium of the appendages as well as the epidermis of the retention cysts, can occur after trauma or drug treatment, around the eyelids or other parts of the yellowish-white firm papules, pointed rounded tip, smooth surface, diameter of 1 ~ 2mm, can be squeezed out of the keratinous particles. 2. flat warts: for the skin and mucous membranes infected with human papilloma virus lesions, in the face and other places appeared flat elevated papules, can be the size of a grain of rice, the surface is smooth, hard, can be presented as light brown or normal skin color, the number of more and more dense. 3. Acne: When the level of androgen in the body increases or endocrine imbalance, it can cause an increase in sebum secretion, and when microorganisms such as Propionibacterium acnes grow in hair follicles, pimples and inflammatory papules can appear on the cheeks, forehead, chest and back, and so on. They begin as conical pimples and gradually form whiteheads or blackheads. The appearance of small rice-like pimples on the face, you can go to the hospital dermatology department to find out the cause of the disease, and follow the doctor’s instructions on the cause of the symptomatic treatment.