With the accelerated development of urbanization in China and the orderly progress of the belt and road initiative, construction industry has a huge prospect for the demand for engineering professionals. This paper focuses on crawler orientation to capture 9443 recruitment information related to Engineering Cost in the recruitment website of 51job. It analyzes the demand characteristics of engineering cost professionals and constructs an ordered choice-probit model to explore the influencing factors of target salary. The results show that the demand characteristics of engineering management professionals are regional imbalance, normal education and certainly work experience. Jobs and business focus on the whole process cost control of engineering projects. The demand for six kinds of capabilities varies greatly. The positive effect of professional qualification certification on target salary is significant. The higher the salary is, the higher the requirements of work experience and education are. the salary level is related to the city level, and there is a significant difference between the super first tier cities and other cities. Big data analysis provides certain data support for all kinds of colleges and universities to establish a talent training mode of Engineering Cost Specialty to meet the market demand.