Abstract: With the rise of China 's aero-engine trading and financing, the civil aircraft rights registration system, which is derived from the Geneva Convention and stipulated in Civil Aviation Law of the People 's Republic of China, can no longer meet the requirements of aero-engine rights identification and rights sequence in practice. Besides, there are barriers to cohesion in the system with Cape Town Convention and Convention on International Interest in Mobile Equipment and the Related Protocol on Matters Specific to Aircraft Equipment, which partly replace the Geneva Convention, as well as legal conflicts with Civil Code of the People 's Republic of China. Therefore, it is suggested that on the basis of maintaining the original civil aircraft rights registration system, the aero-engine should be registered as a special chattel, and the order of rights should be clarified in combination with the relationship between aero-engine and civil aircraft.