Abstract:The root cause of lagging economic devel opment in minority areas is lacking of s ocial cap ital, and the main channel of s ocial cap ital devel opment and accumulati on is the micr o - economic r oles’full interacti on in a free economy . Due to the low entrance barriers, internal highly competitive and openness, business clusters become the p ri mary positi on of nurturing and accumulating social capital of minority areas . Finally, with the benign interacti on bet ween the business clusters and social cap ital, specific product industrialization business ofminority areas driven by the business clusters can p romote economic development in minority areas .