Community universities in Taiwan have been found by the core ideas of knowledge liberating and building civil society and have developed over ten years. In the periods of the developing time, some of the community universities have been distorted by the people who involved in and the problem should be taken seriously. The purpose of this study is to clarify the core ideas of community universities and exploring the practice and problems in these sectors. The method of this study is interview technique and six people who involved in community universities are interviewed. The conclusions of this study are as follows: 1) Clarifying the contents of the core ideas of community universities. 2) Identifying the knowledge liberating and its development in community universities. 3) Identifying building civil society and its development in community universities. 4) Some problems about the community universities are probed and solutions are proposed.