This study aims to determine the effect of principal supervision on the pedagogic competence of teachers at SD Negeri 104 Palembang. The type of research used is descriptive analysis with a quantitative approach to see the effect of the principal's supervision variable on the teacher's pedagogic competence variable through hypothesis testing. This study uses a questionnaire relevant to the two variables as a means of collecting data which was distributed to 28 respondents from SD Negeri 104 Palembang. Based on the results of the research that has been carried out, there is a positive and significant effect of principal supervision on the pedagogic competence of teachers at SD Negeri 104 Palembang.