1, personnel limit: the number of personnel in Beihang University is limited, including the number of positions and ranks, which means that even if there are many competitive candidates, they can only be assigned to a small number of personnel. The limitation of personnel number makes the competition for school entry personnel more intense and more difficult.

2. There are many competitors: Beihang University is a prestigious school, attracting many outstanding talents. The employment system will cause competition from many capable and experienced people. Numerous competitors make applicants need better ability and background to stand out.