The 5th China Education Cup Mathematics Competition has strict online invigilation. According to relevant data, the online invigilation of the 5th China Education Cup Mathematics Competition is very strict, and the form of online computer closed book and full video invigilation is adopted. China Education Cup National College Students' Mathematics Competition is a national competition with orientation, demonstration and mass sponsored by China Education Cup National College Students' Mathematics Competition Organizing Committee and Jilin Science and Technology Education Society.