Miliary osteoma cutis of the face is a form of primary osteoma cutis. We report a case of miliary osteoma cutis on the jaw of a 55-year-old female. She presented with several 2∼3 mm sized, skin-colored firm papules over both lower jaws for 5 years. Skin biopsy was performed and the specimen showed numerous osteocytes and osteoblasts in the bony tissue which was located in the deep dermis