Enterprise archives management is the most basic work of business management. At present, enterprise archives management mainly involving two management modes: self-management mode and outsourcing management mode, while that which kind of management mode could realize the maximize benefits of archives management is still a question? Therefore, By the comparative economic analysis to archives management cost under the two management modes, this article finds that farm out enterprise archives to archives professional services organizations could not only save the economic costs, but also more conducive to standardized archives management. Finally, it also provides suggestions to the work of enterprise archives management.