The present study aims investigating the relation between educational philosophies adopted by prospective teachers and their teaching-learning conceptions. In the study, relational screening model was used. In the study, simple random sampling method was used. The study included 431 prospective teachers studying in divisions of elementary school teaching, science, social studies, Turkish, preschool, English, psychological consultancy and guidance and computer teaching. The data in the study were collected by using the scale of teaching- learning conceptions and the scale of philosophic preference assessment. Descriptive statistics, multi-linear regression analysis and Pearson product moment correlation analysis took place in data analyses. As a result, it was seen that the prospective teachers responded as "I agree" to the contemporary educational philosophy dimension of the educational philosophy that they adopted while they responded as "I agree in part" to the traditional educational philosophy and as "I agree" to the constructive sub-dimension of the teaching-learning conceptions' scale and as "I agree in part" to the traditional sub-dimension. It was determined that there is a relation at low and moderate levels in the directions of positive and negative between the scores of the prospective teachers in the educational philosophy they adopted and their scores in teaching-learning conceptions while sub-dimensions of traditional and contemporary educational philosophies of the scale of philosophic preference assessment that they adopted has a significant relation with the teaching-learning conceptions.