Thirty-one patients who had a acromioclavicular joint dislocation that were treated by surgical operation, between January 1990 and Decemer 1993 at St. Paul's k Holy Family hospital were analyzed. The results are as follows; 1. There were twenty-five males and six females. The mean age was 33 years, ranging from 17 to 52 years old. 2. Out of thirty-one cases, twenty-six had good to excellent functional results. 3. As regards complication, wire migration occurred in two cases, wire breakage in one case, screw loosening in one, and subluxation following wire or screw removal in four.