The major purpose of this study was to explore the execution of ”Community as Classroom” in elementary schools of Taipei County. To reach the purpose, literature review and interviews were adopted. The following are the concrete objectives for the research: 1. to explore the motivation of ”Community as Classroom” in elementary schools. 2. to explore the strategies of ”Community as Classroom” in elementary schools. 3. to explore the results of ”Community as Classroom” in elementary schools. 4. to explore the difficulties and problem of ”Community as Classroom” in elementary schools. Based on the conclusions, the study suggests some implications of the authorities of concerned, elementary schools' principals.