In view of the maintenance management problem of cutter suction dredger, the necessity of developing the maintenance management system for cutter suction dredger is proposed. The business requirements are analyzed, the system architecture is designed, the functional modules such as initial input routine, maintenance routine, maintenance discovery, and regular update settings are decomposed, and the whole life cycle management of cutter suction dredger is realized, which can standardize the maintenance management flow of cutter suction dredger and effectively improve the maintenance efficiency.