: Eduwiki is a version of Wiki integrated educational special needs aims to support collaborative lesson-preparing. The paper described the workflow and function of developing Eduwiki. The framework of Eduwiki and its applications were demonstrated in details, focusing on collaborative authoring, history-version comparing, Tag, modification reasons and other mechanisms. These mechanisms are effective in monitoring and recording processes of lesson-preparing. The evaluation of teachers are the important reference standards for further improving availability of Eduwiki.