According to the commercial Banks located in the disaster center of the description, the disaster recover system disaster not only has basic functionality, but also is a bridge connecting production core system and auxiliary system. Therefore, construction of the disaster recover system has very important practical significance. Given disaster recover system construction is a wide range and specialized system engineering, this paper general principles and ideas for the construction of the disaster recover system are studied, discussed all kinds of disaster available technology, and carries on the analysis comparison, proposed the system architecture,it has the reference value the commercial bank disaster recover system construction.