Abstract: The objectives of this research are: to study the history of Phu Thai ethnic group in Lao Yai sub-district, Kuchinarai District, Kalasin Province, study the current status of the cultural capital and the problems in managing the cultural capitals, study the management form of the cultural capital and its transition to cultural tourism with the participation of the Phu Thai through a collaborative action research. The target group is chosen through purposive sampling, group discussions and forums with villagers. The result from the research shows that 1 Phu Thai ethnic group in Lao Yai sub-district, Kuchinarai District, Kalasin Province in all the 10 villages all have ancestors who came from Sip Song Ju Thai Region and Suvannakhet Regions Laos PDR and settled into Thailand in the the Isaan Region by choosing a plain near a mountain or river that would be able to sustain their lives. They built the houses according to the Phu Thai identity where the ground floor is used for weaving, making handicrafts and store farming tools. They have their own spoken language but no written one. The cultural costume also reflect their own identity of relying on nature and preserving the norms, tradition and culture up until today. The current status of the cultural capital consist of ancient "sims", "Kep Jom" weaving pattern, traditional Phu Thai hand woven shirts, handicrafts, traditional music, traditional dance and traditional Phu Thai dish. The researcher had adapted the concept of management to analyze the problems in the management of the cultural capital and found that the cultural capital management only existed in sub groupings. There had not been many management that would lead to the generating of the community income due to th fact that villagers still lacks the direction and support in the professional level of management through the academics and other organizations in leading to the generation of income for the community as a whole. study the form of management of the cultural capital and its transition to cultural tourism with the collaboration from the Phu Thai ethnic group through an analysis using Participatory Action Research (PAR) and creating the form of management of the cultural capital. The process consist of the study of the community context which shows that Phu Thai community still preserve their cultural wisdom and strengthening them by using those wisdoms to generate income for the community while showing their capability in working with the government, community leaders and other villagers and eventually succeeded in the creation of the learning center and many other organized group with sustainable social capital. In addition, there are also important natural resources and historical traces, the discovery of the problems and community’s plan to solve th problems. The community has strategic plan to solve the problems for each village with the integration of the process in supporting and developing the capability of the local the community by using the concept of management to support the cultural tourism aspect. The support and the development of the local capability consist of set up forums for the villagers to create more understanding amongst the community members in the transitioning into cultural tourism in which the participants will be assigned roles as th core leaders whose jobs are to pass on and implant the consciousness in wanting to preserve Phu Thai culture and spread those consciousness out to the communities. In addition, they have to make sure to encourage and empower the people to make sure that the activities and the community development works runs effectively under strong participation of the community members until it becomes a common consciousness for people to help create a concrete work. Study other villages with cultural tourism such as Phu villaqe, Baan Pao sub-district, Nong Soon District, Mukdahan Province, to develop their knowledge and increase their experience which can lead to new concepts through the knowledge and experiences that they received to improve the form of management in their own Phu Thai community in Lao Yai. Initiating community activities such as "Lao Yai Phu Thai Cultural Tourism Community" with the objectives of managing the community to achieve the efficiency. The result from the receiving of the first group to tourists to come for the cultural tour in Phu Thai Lao Thai shows that the tourists consist of people from different ages who all enjoyed themselves and had fun through participating in all the activities. It was a chance to open up the space for different field of local wisdom to have a common ground in presenting themselves for other people to admire, creating unity within the community and be part of developing their own community through a sense of responsibility which create the value for their traditional way of life.Following ups and evaluations are the evaluations during and after the research process to bring about the problems and the flaws to be considered in order to find improvements for the future research.