Retrospective analysis was made on characteristic findings of 23 cases of uterine myoma by ultrasonograph, during Jan. 1981 to June 30 1981. The results summarized were as follows. The most frequent ultrasonographic findings encountered in 23 cases of uterine myoma was fill in pattern, 21 cases out of 23 cases or 91.3%. The next frequent finding was enlarged uterine picture 78.3%, pseudoecho of bladder 65.2% and picture of bladder distortion 30.4% in order of respectively. Outline of uterine myoma, there was pattern of clean, nodular and hazy which showed frequency of 43.5% and 26.1% respectively. Borderline between myoma node and normal uterus had 65.2% of unclear pattern. Picture of posterior wall of uterine myoma revealed unclear pattern of 78.3%. It was concluded that important features of ultrasonographic findings for diagnosis of uterine myoma were fill in pattern, enlargement of uterus, picture of tumor posterior wall, picture of tumor borderline and other findings that of tumor outline, picture of bladder distortion, pseudo bladder echo will be a good criterias for diagnosis of uterine myoma.