In the early years of the twenty-first century, Vietnam's tourism community is concerned, focusing on development, especially in the mountainous areas of the village. Many localities, with the development of the model village community cultural tourism has opened up new developments in the exploitation of the strength of the tourism industry, contributing to the economy - society towards sustainable development sustainable, community mobilization, effective social participation in the tourist industry. The effectiveness of the best community tourism development that is, the life of the local people is improved, the national cultural values are preserved and promoted. Bac Son is a mountainous district in the southwestern province of Lang Son, there are many historical sites, scenic, charming small country with customs imbued with national identity. This is one of the cradles o/the human race, under the "Bac Son Culture", which carry the marks of a popular culture in archeology. With the potential and strengths, Bac Son has the facility to promote the development of tourism. especially in the form of community-based tourism. The implementation of community-based tourism development were cultural facilities - Lang Son province's tourism pilot in some areas, including Quynh Son, Bac Son district. Cultural model tourist village communities in Quynh Son initially brought practical results for ethnic. However, the analysis, evaluation, comparison compared to other provinces in the northern mountainous region has implemented communitybased tourism development is essential. It is important to base Quynh Son commune, Bac Son district, Lang Son province in particular and in general get the lessons, which promote the strengths and overcome the weaknesses to develop community tourism at a sustainable manner.