本研究旨在探討臺北縣公衛護理人員參與在職教育動機及障礙因素，從公衛護理人員立場來瞭解研究主題，研究採橫斷式調查法，研究工具為研究者自擬的結構式問卷，樣本包括臺北縣所有的衛生所公衛理人員共229名，回收率為98.28％，資料以SAS電腦軟體進行描述性、變異數分析及因素分析。 歸納本研究發現，獲致下列四項重要結果：(1)公衛護理人員參與在職教育可能同時受到一種或一種以上的動機及障礙因素所影響。(2) 公衛護理人員參與在職教育的動機有：「專業認知需求」、「外界期望」、「刺激誘因」、「自我成長」、「社交關係」及「業務主辦」的因素。其中以「專業認知需求」為最強烈的動機，其次為「業務主辦」；(3) 公衛護理人員參與在職教育的障礙因素有：「教育需求」、「教育內容」、「家庭因素」、「教育活動可近性」、「行政阻礙因素」、「機會訊息」、「個人認知」及「獎勵因素」。以「機會訊息」為最主要的障礙，其次為「教育活動可近性」和「行政阻礙因素」；(4) 公衛護理人員的基本資料與其整體參與動機及障礙並沒有明顯的關係。本研究之結果可提供衛生單位做為公衛護理人員在職教育政策擬定之參考。

　　　　　The purpose of this study was to explore the motivating and deterrent factors for participation in inservice education for public health nurses in Taipei County. This study was of cross-sectional design using a questionnaire filled by 229 public health nurses in Health Stations in Taipei County. The response rate was 98.28%. The data were analyzed using the computer software package SAS. Four important findings were drawn from this study: 1. The motivating and deterrent factors influencing public health nurses' participation in inservice education were multi-faceted. 2. The motivating factors were: professional cognitive demands, stimulative factors, self-growth, social relationships, vocational development, external expectations, and a lighter work load. 3. The deterrent factors were: access to educational activities, administrative deterrents, opportunity information, family factors, rewarding factors, educational demands, educational content, and self-cognitiveness. 4. There was no significant relationship between the demographic data and the motivating or deterrent factors for participation in inservice education. The results of this study are significant for improving the quality of inservice education for public health nurses and for policy making in health care administration.