With the development of perfect primary mortgage market , to establish the chian ' s secondary mortgage market is one of the most important ways to promote the healthy growth of domestic housing industry and speed the pace of residents " homeownership as well 完善我国住房抵押贷款一级市场的同时，建立和发展住房抵押贷款二级市场，即住房抵押贷款证券化（ mbs ）市场是推动我国住宅业的健康发展，促进广大居民自置住房的重要途径之一。
