Universities of finance and economics aim to cultivate high quality talent in economic and management fields to satisfy the needs of our society，which makes it essential for them to update and renew development plans with the change of external macro-environment. The Belt and Road Initiative brings about the craze of studying in China and promotes the development of Internet economy，thus makes it more important for financial and economic universities to build Grand Business and Management characteristics on the basis of “Economy+Management” advantages. By analyzing the resource management theory，this paper indicates that the universities of finance and economics should obtain resources outside and foster resources inside while excluding redundant resources to build resources portfolio with the character of Grand Business and Management and bind talent resources portfolio and discipline resources portfolio within to form an optimized university capacity system and build interdisciplines to serve for the development of our economy and society and national major local development strategies and gain advantages for the development of our universities.