This study is to research and collect data on the current situation of teacher development in public preschools in Ninh Kieu District, Can Tho City, Vietnam, using the survey from the principal (n = 4), vice-principal (n = 8), professional team leader and deputy team (n = 50) from 4 kindergartens, namely Rang Dong Kindergarten, Hoang Yen Kindergarten, June 1 Kindergarten, September 2 Kindergarten, with the three specific objectives: first, to systematize the theoretical basis for the development of PKSs; second, to survey on the current situation of teacher development in PKSs in Ninh Kieu District, Can Tho City; and finally, to propose some measures to develop teaching staff at PKSs in Ninh Kieu District, Can Tho City. And there are three research questions as follows (1) What is the current situation of developing teaching staff of public kindergarten schools in Ninh Kieu District, Can Tho City? (2) What are the suggested measures to develop the teaching staff of public kindergarten schools in Ninh Kieu District, Can Tho City with high efficiency? And (3) What are the theoretical and practical bases to propose such measures? The study has outlined the basic concepts related to the management and development of public preschool teachers, survey and assessment of the current situation of teacher development in PKSs in Ninh Kieu District, Can Tho City, Vietnam through the three research questions towards the specific research objectives, and at the same time raise the advantages, difficulties, strengths and weaknesses of teacher development work and propose some measures at these schools.