青职E卡通 (Qingzhi E Cartoon) is a campus-oriented one-card service app that enhances traditional card functions with QR code capabilities, offering professional and comprehensive mobile one-card services to campus users.

The app provides a range of services including campus card management with features such as recharging, information inquiries, bill checking, transaction history, card suspension/unblocking, lost card reporting, campus card online application, and alumni registration.

Additionally, users can conveniently make payments for various items like project fees, electricity bills, internet fees, supplementary study fees, proficiency exam fees, party membership dues, training fees, and tuition. The app also facilitates reservations for on-campus restaurants, venues, meeting rooms, and study spaces.