The artical introduces the analysis of supplier management in different level of civil aircraft, which includes the management for tier one and tier two suppliers.It is very important for airframer to manage the tier one suppiler, both sides are one life in ‘airframersupplier’ business model. The program is directly impacted by the tier one supplier.The tier one supplier is responsible for the management of tier two supplier, but tier two supplier will also play important roles on the aircraft.The airframer shall manage tier two supplier as well in order to decrease the risk for the program.