The current research was conducted to analyze the effect of pedagogical theater on the growth of students' creativity in primary and primary secondary schools. The statistical population of the research includes Primary and Middle school students (7-14 years old) from 6 regions of Tehran. These students were selected and randomly replaced in two experimental groups (10 people) and a control group (10 people). In both groups, a pre-test was performed and the experimental group performed pedagogic theater based on aesthetic training for 10 sessions of 90 minutes. After that, the test was performed again for both groups. Data collection was done through Abedi's creativity questionnaire based on Torrance's creativity questionnaire. The results of the research showed that pedagogical theater has led to the improvement of problem-solving ability and creativity of primary and middle school students in the experimental group. The statistical methods used in this research include analysis of covariance, T-test, and the use of SPSS software. The results of the statistical analysis show the positive and significant effect of pedagogical theater on the creativity of the experimental group(P05/0> ).