The purpose of this study were to examine clinical dietetic performance level and to determine factors affecting clinical dietetic performance level. The survery was carried out for the 33 general hospitals over 400 beds in Seoul We established 13 factors which amy affect clinical dietetic performance level and investigated the relationship between these factors and clinical dietetic performance level. The average score of performance and perception of importance levels of clinical dietetic practices were 46.0${pm}$6.9 and 73.2${pm}$4.8 respectively. None of the demographic variables were significantly correlated to clinical dietetic performance level. Clinical dietetic performance level depended upon whether dietetic department had a division or not for clinical dietetic activities.