The small rice grain bumps on the face may be caused by filiform warts, cornu rashes, sweat duct tumors and other diseases, which can be removed through physical therapy, medication and other ways. 1. filiform warts: face long small grain bumps may be filiform warts caused by, generally to physical therapy. You can choose laser or electrocautery therapy to cauterize and vaporize the warts. You can also choose cryotherapy, the use of liquid nitrogen freezing to make the warts necrotic, off. For those who are not suitable for physical therapy, you can follow the doctor’s instructions to use topical retinoic acid ointment, imiquimod ointment and other drugs, with the effect of exfoliation. 2. Cornucopia: If cornucopia is caused by the face with small rice grain bumps, generally to physical therapy. You can choose carbon dioxide laser treatment, using the high energy of the laser to remove the milia. 3. Sweat duct tumor: Sweat duct tumor may also lead to small grain of rice on the face, patients can choose electrolysis treatment to eliminate sweat duct tumor. There are more reasons for the long milia on the face, it is recommended that patients go to regular hospitals and cooperate with doctors to standardize the treatment.