The aim of this article is to find out the influencing factors of community participation in the tourism development process, several influenced factors are summed up through field surveys, questionnaires of local residents, and the Exploratory Factor Analysis (EFA) of the investigation datum gained from Con Son islet, Can Tho city, Vietnam. The research results indicate that there are seven influencing factors of community participation such as fairness and transparency, social capital, economic benefits, local’s awareness of tourism development, stakeholder’s supporting for community tourism, local policy, and community responsibility. Based on the aforementioned, the paper put forward several solutions to enhance the residents’ participant degree: increasing benefits for community to boost their participation, enhancing social capital, cultivating residents’ participant skills through training, and policy on community tourism development.