The invention discloses an asset whole life cycle management system and a method. The system comprises an identity card code unit, an asset management system, a data transmission unit, and a finance management system, wherein the data transmission unit transmits a book account in the asset management system to the finance management system; and the identity card codes comprise a function position code generated according to to-be-mounted mounting information of each device, and the function position code comprises a space position code or a mounting site code, a process side or a region code. The method and the system of the invention have the beneficial effects that interworking of different departments about device asset data can be realized, consistency among the account, the card and the object can be realized, the working efficiency and intelligence for device asset management are realized, and practicability and convenience of the system are enhanced.