The prominent position of the nose subjects it frequently to trauma and incidence of nasal fractures are increased recently due to trauma. The auther has performed radiologic evaluation and clinical study in 120 cases of nasal bone fracture among 256 cases of nasal contusion who visited S.A.H. during last 3 years(1984. 5~1987. 5). The result were as follows ; 1) Male was predominant above 84% and in age distribution, 3rd decade was most prevalent(34%) and next were 2nd decade(32%) and 4th dacade(16%). 2) Direct trauma of fist was most prevalent(48%) and next were accidental blow(23%) and traffic accident(16%). 3) Associated injuries were turbinate laceration(6 cases), septal fracture(7 cases) and other facial bone fracture(5 cases). Nasal laceration were 15 cases. 4) Palpation showed external nasal deviation(33%), depression(34%), crepitation(19%), tender swelling(12%), broadening(2%). 5) Lateral nasal bone view showed simple fracture(35%), fracture with depression(35%), communicated fracture(13%), normal and normal dehiscence was 13% and Water's view showed fracture 20%. 6) Closed reduction was performed of 107 cases which has 75% satisfactory results but 4% was failed. 7 cases have SMR which showed good results and 5 cases was not showed fracture at manipulation.