The purpose of this study was to survey the knowledge level, attitude and practice of nurses toward their work. The subjects of the study were composed of 98 nurses from 3 general hospitals, 1 oriental medical hospital, 2 health centers and several community health posts and schools. Data were collected from May to October, 1998. In data analysis, an SPSS PC program was utilized for descriptions. 1) 16 nurses (16.3%) experienced medical accidents on the 7 nurses(7.1%) 1 time, 6 nurses (6.1%) 2 times, and 3 nurses(3.1%) 3 times. 2) Concerning knowledge of their legal obligations; the prohibition of telling secrets was .89, the prohibition of reading medical records was .58, the keeping of medical records was 1.0 and the teaching of recuperation was. 79. The total mean score was. 86. Concerning attitude and practice; the prohibition of telling secrets was 81.6%, 63.3%. The prohibition of reading medical records was 61.2%, 60.2%. The keeping of medical records was 98%, 98%. The explanation for treatment, care and test was 91.8%, 66.3%. The teaching for recuperation was 63.3%, 63.3%. 3) Knowledge of their legal responsibilities; 29. 6% of the subjects thought that they should report a medical accident to their headnurse, but 75.5% of the subjects actually reported to the headnurse. 39.8% of the subjects thought that nurses were liable for the faults of nursing aides. The total mean score was .45. 46% of the subjects asked a senior staff's advide on difficult affairs. Nurses obeyed legal obligations when concern ing the protection of a client, but were passive when concerning self protection. Also, headnurses were required as adviser, guide and advocate.