The requirements development and requirements management, including the requirement capture, requirement analysis, requirement definition, requirement validation and requirement management, are introduced.According the civil aircraft development needs, the effect and importance of the implementation of requirements management in civil aircraft development are depicted. The requirements management process definition, requirements management strategy, requirement validation and verification etc in civil aircraft development are introduced.It shows that it's effective to improve the correctness, completeness and coordination of requirements by conducting requirements management in civil aircraft development, and it's helpful to ensure all the development activities consistent with the original requirements. Resultant, the civil aircraft development, market, and commercial success can be achieved.