The capacity building is important for a self-help organization.Through a case study of a disability self-help organization, this paper tries to explore the way of urban self-help organization's capacity building.The author analyzes the case on qualitive research method.The conclusion is that a self-help organization should base itself on its members, which characterizes the organization.Applying for projects is useful to raise money, but not keeping the government organizations away.The government should supply more to accelerate the capacity building of self-help groups.