Directional training refers to clarifying the talent training mode of the work unit after graduation through the contract form when enrolling students, and the training expenses during the study period are provided by the state to the training unit according to the prescribed standards. Once such a major is admitted, you can't change your major. After graduation, you must go to designated areas or enterprises for employment according to regulations. Generally speaking, these areas are relatively backward.

Nanjing University of Aeronautics and Astronautics (hereinafter referred to as China Southern Airlines (NUAA)), located in Nanjing, Jiangsu Province, is a comprehensive national key university featuring aerospace and civil aviation, focusing on science and engineering, and a national "double-class" construction university.