Abstract: Taking marginal survivals as the research entry point, and based on the support and guarantee of the national forces
present, this paper focuses on the research object of the Miao costume culture in the Qimulin area of Changning, the national intangible
cultural heritage. It selects the current representative forms of cultural reproduction as samples to discuss the entry of new forces such
as the government and cultural administrators in the living field of Miao costume culture. Without destroying the core strength of
cultural survival in the past as well as the vitality of culture and the field on which the survival of costume culture depends, it tries to
explore how to carry out reproduction actions such as creative transformation and innovative development of Miao costume culture.

Key words: marginal survival｜Miao costumes｜cultural reproduction｜ field