The first-class cost engineer's health commitment letter can be printed on the Hebei Provincial Personnel Examination Network. According to the information of the relevant platform, the candidates of the first-level cost engineer should submit a health information commitment letter when entering the examination room, one for each exam, printed on the front and back. In addition, candidates need two negative paper reports of COVID-19 virus nucleic acid test within 7 days and 48 hours to take the exam, otherwise they can't take the exam.