Both the entities of archival business outsourcing like archival departments, outsourcing providers, and specific processes of outsourcing like evaluation, bidding, and implementation exist the necessity of risk management. This article provides risk management suggestions for the archival business outsourcing through game theory analysis: on the macro level, make norms, clear standards, assess qualifications and exploit market; on the medium level, joint supervision, introduce evaluation, pursuit of win-win and build alliances; on the micro level, strengthen management, improve the contract, use risk assessment tools, and outsourcing risk early warning.