This research comes from the reflection of the researcher’s participation in Lesengevent. It aims to discuss the beliefs and practice of teachers’ citizen participation and alsothe influence on their education work. In this article, purposive samples are adopted. Threeteachers, who are from Pingtung County Elementary School and participated in the Lesengpreservation movement, are taken as subjects. Data and information are collected by themethod of in-depth semi-structural interview. Results are revealed as follows: (1) Teachers’citizen participation is an interwoven development course instead of an improvisationalparticipation. (2)Teachers’ citizen participation can help teachers for theirself-examination and self-criticism; therefore they can avoid duplicating hegemony and getrid of prejudice, discrimination and rigid impression. (3)In addition to caring aboutdisadvantaged groups and realizing social obligations, teachers can get inspiration fortheir teaching beliefs and curriculum design, and to make improvements in their specialty.(4)Interviewees consider that the teaching environment in Taiwan is conservative and notencouraging teachers to participate in public affairs. A majority of teachers have nointerests in public affairs and do not care about them.