The Artificial Intelligence in Medicine (AIM) team of XJTU's School of Mathematics and Statistics developed an online health service and medical screening system for the Second Affiliated Hospital of XJTU focused on 2019-nCov prevention and control. The system is a comprehensive online medical service platform linking all parties, systems, and terminals in the process of medical treatment, promoting relevant data circulation and providing one-stop medical services including inquiry, diagnosis, answering questions, patient follow-up, and real-time protection for Shaanxi Province residents. This system has been in use since February 1, 2020.