The professionalism of educators is closely related to the quality of education, because the learning process as the core of education will depend on professional educators. The purpose of this study, researchers can determine the development of teacher professionalism from the aspects; 1) preparation; 2) implementation; 3) evaluation of the model for developing the professionalism of kindergarten teachers. This study uses a descriptive qualitative approach with the design of several sites with data collection through interviews, observation, and documentation. The stages include reduction, presentation, and conclusion drawing with research conducted at TK Aisyiyah 39 Al Ummah Banjarmasin and TK Aisyiyah 42 Banjarmasin. The results showed; 1) preparation consists of agenda from the Education Office, input from supervisors and cluster development planning; 2) the implementation of development consists of the implementation of development from the education office, at the school and cluster levels; 3) the development evaluation by the education office needs to be increased again on the development frequency agenda, the development material is directed at practical abilities, and the intensity of the PTK development material needs to be increased.