Hemophilia is a primary disorder of coagulation complicated by spontaneous itra-articular hemorrhage. Thispaper is to describe and analyze the radiographic findings of involved bone and joints of hemophilic patients forpast 5 years. The results were as follows; 1. Age distribution of the total 28 patients was ranging from 1 year to42 years. 86% of patients was below the age of 20 years. 2. The incidence of joint involvement was in next order;knee joint (25), elbow joint(4), ankle joint(2), hip joint(1). 3. The radiologic findings of involved joint werecharacterized by irregularity of articular cortices(22), joint space change (19), soft tissue swelling(19),subchondral or intra-osseous cyst(12), periarticular osteoporosis(19), degenerative change(10), condylarenlargement(11), intercondylar notch widening (21) and flexion deformity(13).