With the popularization of Internet technology, the application of information technology has become an important development trend in the modernization of community governance. It improves the efficiency of information transmission, promotes the formation of the community governance pattern of multiple cooperation and co-governance, and helps to promote the modernization of community governance. However, in recent years, in promoting community governance, many places emphasize too much on the application of information technology, ignoring the reform and innovation of community governance system and mechanism, resulting in many defects. Through the investigation of Y community, we analyze the current situation and causes of the application of information technology in community governance, summarize the problems existing in the process of operation, and conclude that the realization of the modernization of community governance needs the support of information technology, and also needs to seek the system mechanism reform and innovation collaboration.