This study explores the strategies of improving the implementation of Teacher Professionalism Development. This study is a qualitative case study that involves three primary teachers in the Larut Matang and Selama district. Study participants were selected by purposive sampling. Data were obtained through interviews, observation and document analysis. The data collection process took nearly two months. The strategies identified are: (a) needs-based planning for effective TPD, (b) preferences for flexible and personalized learning, and (c) digital TPD delivery method.  The findings of the study were found to have implications for the implementation of teacher professional development. This study contributes the added value to literature and practice in teacher professional development. In conclusion, a TPD Learning Model that based on the findings of this study is proposed to improve the implementation of teacher professional development, especially in Larut Matang and Selama district.