This study aims at exploring the factors that influenced the collaboration of the professional team for early interventions. The researcher used the qualitative research methods to collect the data. Eight professionals from each field of medical rehabilitation, special education, and social work participated in the individual in-depth interviews. Through the perspective of ecological systems, the researcher analyzed the collected data and presents factors that influence the collaboration of professional team for early interventions. Furthermore, suggestions for enhancing the collaboration of the professional team for early interventions are provided.