System adaption or personalization in adaptive e-learning is an interesting study to be developed. in this paper w describe a dimension FSLM to identify learning styles in an adaptive e-learning system. approach that can be used to identify learning styles in adaptive e -learning is to use the ILS indicator. this indicator based on 44 questionnaires. from each of the questionnaire result with determine FSLSM. Dimensions. then be explained also how the general approach can be implemented ILS indicators in adaptive e-learning, so as to determine a student's learning styles.