The forearm radial or ulnar vascularized cuteneuous ( or myocutaneous ) flaps were used to repair and reconstruct 17 cases of lip defects since 1981. All of the flaps were survived and their functions and contours were satisfactory, from 15 patients followed from 1-6 years. The methods of repairing lip defects and those complicated with defects of nasal vestibulum, alae nasi, nasal columella or alveolar process were also discussed. It was concluded that the forearm radial or ulnar cuteneuous (or myocutaneous) flap was suitable to repair of lipdefects.