The aim of this study is to adapt The Early Childhood Curricular Beliefs Inventory (ECCBI) questionnaire into Turkish. The ECCBI is a tool designed for exploring curricular beliefs of pre-service teachers in the area of early childhood education. A subscale named “behavioural approach” is not in the Turkish adaptation of the scale according to expert opinions, three subtests meaning 54 items out of 72 items have been included in the adapted version of scale. After the equivalence test of Turkish form, instrument has been applied to 30 preschool teachers and 200 preservice preschool teachers and total 230 person. In order to test construct validity of Turkish instrument, confirmatory and exploratory factor analysis have been applied; to identify reliability, Cronbach Alpha reliability coefficient, Sperman-Brown formula and Guttmann split-half reliability formula have been employed and corrected item-total correlation has been examined. Results show that this scale is a suitable assessment tool for the pre-service teachers to determine their related beliefs about early childhood approaches.