Private enterprises have difficulties in financing, which often restricts the development of private enterprises. After serious damage of the earthquake disaster to private enterprises, these difficulties become more prominent, and then there have been some of the new difficulties, such as impairment of fixed assets led to bank credit more difficult and so on. Address the special problems, established the post-disaster reconstruction funds financing model on the basis of the corporate finance theory of private enterprises. The model in maintaining on the basis of the general mode of financing, increase the special post-disaster reconstruction financing model to the private enterprises, such as established the reconstruction fund based on the government funding and the donor community, these models of the proposed is realistic and feasible.