Many times, supervision engineers can take many continuing education exams, and there is no limit on the number of times. If you haven't passed the exam, you can apply for it until you have passed it. Supervision engineer refers to the professional and technical personnel who have obtained the professional qualification certificate of People's Republic of China (PRC) supervision engineer through professional qualification examination and engaged in construction project supervision and related business activities after registration. On behalf of the owner, the supervision engineer monitors the project quality, progress, investment control, contract management, safety management, organization and coordination, and is the bridge between the owner and the contractor. Practitioners are required not only to understand engineering knowledge and cost accounting, but also to be very clear about building regulations. Chief supervision engineer refers to the supervision engineer authorized by the legal representative of the supervision unit in writing, who is fully responsible for the performance of the entrusted supervision contract and presides over the work of the project supervision institution. In addition, supervisors also include professional supervision engineers and supervisors, but in the whole process of information system engineering construction, the role of chief supervision engineer is very important for supervision quality.