The development of network technology has made rapid growth for online gaming industry on the Internet. Recently, game players have been wanting for a free migration on the game character for game player managed by online game servers of different types. Existing research on the acceptance of the game players demands have suggested migration model of the game character. However, the game Character Migration Process between the game server of different types migration is focused only, and safety issue that is necessary in an online transaction is overlooked. Therefore, ensure the safety of transactions information and when a dispute arises is necessary countermeasures. In this paper, Secure game Character Migration System (SCMP) using dual signature method when migrating game characters between the game servers of different types based on existing research is propose and looks to examine the safety.