本研究目的旨在瞭解學校行政人員利用即時通訊軟體進行溝通之行為與意圖，做為行政溝通現況之探討，並了解影響使用行為與意圖之因素。本研究以整合性科技接受模式為理論基礎，公私立學校之行政人員為研究對象，並以自編的「學校行政人員採用Line 進行行政溝通之問卷」為研究工具，依學校所在抽樣，共發放300 份問卷，回收299 份，回收率99.7%，有效問卷288 份，有效回收率96.3%。經統計分析結果，其結論為：(1)績效預期、努力預期、社會影響對行為意圖有正向顯著影響；及(2)促成條件、行為意圖對使用行為有正向顯著影響。故學校機關行政人員採用Line 進行行政溝通的行為與意願是正向的，預期將有助於行政效能的提升。

The purposes of this research were to understand the communication behavior and intention of school administrative staff when applying instant messaging software, and explore the factors that affect usage behavior and intention. Based on unified theory of acceptance and use of technology, the research takes administrative staff of each state and private school as its objects, and adopts self-compiled ＂Questionnaire of school administration staff when applying Line for administration communication＂ as research tool, to sample among schools. The research has provided 300 questionnaires, and taken back 299, with a recovery rate being 99.7%, of which 288 valid questionnaires, for an effective questionnaire returns-ratio is 96.3%. The following conclusions are obtained by statistical analysis: (1) performance expectancy, effort expectancy and social influence have significant positive influence on behavior intention, and (2) facilitating condition and behavior intention have significant positive influence on usage behavior. Therefore, school administrative staff applying Line for administrative communication is proved to be a positive behavior and intention, which is expected to improve administrative efficacy.