The invention discloses a device for designing area navigation flight procedures, comprising an engineering and data management module for memorizing a flight procedures designing project and managingan organization relationship; an area navigation flight procedures designing module for designing airspace arrangement, programming approach and departure air routes and protection area parameters, drawing protection areas, and evaluating barriers; an evaluating tool module for evaluating a flight segment with gliding guide; and a drawing module for designing a procedures diagram and a protectionareas diagram for reporting the flight procedures. Being in accordance with the area navigation flight procedures designing standard of the international civil aviation organization (ICAO), the device provides a flight procedures designing device which meets the latest technical standard, and provides method and support for popularizing and using the area navigation technology and starting a flight procedures designing work under the new technology.