Problem statement: A lot of stage costume businesses in Isan community (northeast community of Thailand) cannot expand their business into larger scales because the owners mange everything by themselves so it cause a lot of difficulties such as a lack of low cost stage costume sources. Approach: This research aimed to examine 3 points. First, to examine the background of stage costume business in Isan community in the past. Second, to examine the situation and difficulties of stage costume business in Isan community at present. And third, to examine the creation and development of a network of stage costume business in Isan Community. The data were collected by a literature survey, an observation and an interview in the field. The research areas were the districts of Maha Sarakham, Roi Et and Yasothon Province. A total of 15 shops were selected from 5 shops of each province and each shop had carried forward more than 5 years. The results were presented according to research purposes by means of a descriptive analysis. Results: The results revealed that the background of stage costume business of Isan community in the past began with people made costume themselves for dressing during a festival or traditional celebration. Since 1982 educational institutes have arranged learning activities on music and dramatic arts. Each of them has revived ancient tradition and art, performed both Thai and folk dramatic art. Thus stage costume business have started widely for serving the business have started widely for serving the public since then. The main situation and difficulty of stage costume business in Isan Community was the owners managed everything by themselves that caused a loss of stage costume, a lack of assistance, a lack of low cost costume sources, a competition in business and loan raising and a difficult in business expansion. The creation and development of a service network of stage costume business in Isan community was a step-by-step network. It started from the cooperation in business goal and difficulties solution of a small group of entrepreneurs. Since then, they have shared and solved the problems together and developed their network from a local scale into a country scale in order to add a profit from business operation. Conclusion/Recommendations: According to the research results, the main difficulty of stage costume business in Isan society was the entrepreneurs could not expand their business into larger scales while the requirement of customers was increasing. The researcher would like to suggest that the research concerning the ways to establish and develop a service network of stage costume business is necessary. And the entrepreneurs should establish their business network in order to share all resources together and expand their business into larger scales base on appropriate culture that enhance the sustained occupations and earnings of community.