Abstract
With the rapid development of the construction of smart campus in Colleges and universities and the maturity of related technologies, campus card has become the most frequently used and the most frequently used core component of smart campus. Based on the actual construction of one-card system in domestic universities and the author's years of experience in campus card management, this paper makes a systematic study on the development of campus card, virtual campus card, big data application, information security and other aspects, with a view to providing effective reference for the construction of campus card in Colleges and universities.