Since the outbreak of COVID-19, it has spread rapidly throughout the country and even in the world. As a first tier city, Guangzhou is also the South Gate of China, with large population mobility and severe and complex prevention and control situation. Guangzhou CDC, together with Tencent and Alibaba Cloud, has made full use of its artificial intelligence technology to carry out a series of practices in case transmission chain analysis, close contact and other key personnel management, front-line staff prevention and control skills training and convenience services. Through the application of artificial intelligence in different scenarios, the difficulties and challenges in the prevention and control are solved, and the speed of epidemic prevention and control is increased.
新型冠状病毒肺炎疫情自发生以来，在全国乃至全球迅速蔓延。广州作为一线城市，人口流动性大，防控形势严峻复杂。广州市疾病预防控制中心联合腾讯、阿里云两大科技公司，充分利用其人工智能技术，在病例传播链条分析、密切接触者等重点人员管理、一线工作人员防控技能培训和便民服务等方面开展了一系列实践。通过人工智能在不同场景下的应用，解决了防控工作中面临的困难和挑战，为疫情防控提速。.
Keywords: Artificial intelligence; COVID-19; Epidemic prevention and control; Information systems.