Objective: This study identifies the overall perception of forest activities and different perspectives between pre-service childcare teachers and in-service childcare teachers. The purpose of this study provides the base line data for improving the perception of forest activities of preservices childcare and in-services childcare teachers. Methods: The study subjects included 131 pre-service childcare teachers and 122 in-service childcare teacher. To distinguish the differences between the two groups, a x2 test was used after using a t-test and cross analysis. Results: The results of the study are as follows: The pre-service childcare teachers and in-service childcare teachers showed many similarities in the perception of forest activities. Both groups highly recognized the educational effect and necessity of the forest activities. There were differences between the demand of pre-service childcare teachers and in-service childcare teachers in terms of the required quality and degree of intervention of the forest activity teacher and the choice of subject for the forest activities. Both groups showed no difference in the types, suitable weather, environmental aspects, and understanding of the forest activities. Conclusion: Through this study, it was possible to find out the parts to be included in the contents of the training course for pre-services childcare teachers and the education of incumbent childcare teachers, which is expected to have a positive effect on the study of forest activities for children by reflecting this in the curriculum.