This research aims to develop the Emotion Regulation Skills Scale for pre-school children, which includes measuring emotion recognition, emotion expression, and emotion regulation strategies, and to conduct validity-reliability studies. The sample of the study, in which the general screening model is applied, consists of 206 pre-school children. "Emotion Regulation Skills Scale for Pre-school Children" is used as a data collection tool and "Response Form" is used to record the answers that are given. This scale developed by the researcher has 3 sub-dimensions. There are 6 emotions in each sub-dimension. It is a set scale which is consisting of a picture booklet with 3 stories for each emotion, a total of 18 stories, and 144 emotion regulation strategies. Content and construct validity analyses are carried out within the scope of validity of the scale. Item Total Correlations, Two Half Test Reliability, Cronbach Alpha, and Kuder-Richardson-20 (KR-20) reliability coefficients are calculated within the scope of the reliability studies of the scale. As a result of the findings, it is determined that the Scale, is a valid and reliable measurement tool that can be used to determine the Emotion Regulation Skills of preschool children.