本研究主要探究公立幼兒園教師選擇社群軟體做為親師溝通的重要因素，首先進行文獻蒐集，參考相關文獻後，運用修正式德菲法，得到三項構面因素，系統性、互動性、及安全性。建立層級架構後，接著透過層級分析法(AHP)求得此三項構面的相關指標因子，並建立起權重體系。綜合上述，本研究於三項主要層面中，「互動性」為影響最顯著之指標，其次為「系統性」，權重最低則為「安全性」。而若以十二項次要準則來看，「增加傳遞效率」、「免費註冊」、「私密社群」為較顯著因素。這也反映了傳遞訊息為親師溝通的主要考量。

This research aims to explore important factors that influence public preschool teachers to choose social media as a parent-teacher communication channel. First, a literature collection was conducted. After referring to the relevant literature, the modified Dephi method was used to obtain three facet factors: systematic, interactive, and security. After establishing the hierarchical structure, the relevant index factors of these three facets were obtained through the analytic hierarchy process (AHP), and a weighting system was established. Based on the three main criteria in this study, the results show that the most significant indicator is “interactivity” followed by “systemic” and at last "safety”. In terms of twelve sub-criteria, "increasing delivery efficiency", "free registration", and "private community" are more important than other factors. This also reflects the main consideration of passing messages for communication among teachers. After the questionnaire survey, the top three most commonly used social software are "LINE", "Facebook", and "LINE Official Account". After comprehensive analysis by experts, "LINE" won, followed by "Facebook", and finally " LINE official account ". Therefore, the most suitable social software for communication between teachers and teachers is "LINE". Through the conclusion of this study, teachers are provided a reference basis for selecting software as communication between parents and teachers.