The authors analyzed the clinical results of the reconstructive surgery for injuried hand with microsurgery in 33 patients, 35 cases at the department of orthopaedic surgery, school of medicine, Kyung Hee university from 1985 to 1992 and the results were as followings. 1. There were 31 men and 4 women who had a mean age of 23 years(range, 3 to 44 years) and the follow up evaluations averaged 19 months. 2. The causes of the injury were machinery injury in 25 cases, traffic accident in 2, frostbite in 4, burn in 3 and fall down in 1. 3. For the reconstructive procedure, scapular free flap was applied in 6 cases, radial forearm flap in 7, dorsalis pedis free flap in 4, neurovascular island flap in 6, gracilis free flap in 1, wrap around flap in 6, toe to thumb in 5. 4. 32 cases(91.4%)were successful in reconstructive surgery with microsurgery exept the failure of scapular free flap in 2 cases and dorsalis pedis free flap in 1. 5. The causes of failure in scapular free flap were infection in 1 case and thrombosis in 1. In dorsalis pedis free flap, the cause of failure was infection. In the analysis of above results, the reconstruction with microsurgery was effective procedure for reconstruction of injuried hand.