Science, technology and innovation play a vital role in the Beijing 2022 Olympic and Paralympic Winter Games. Scientific and technological achievements have been integrated into every link of the preparations for the sports event, from infrastructure construction, event organization and venue operation to viewer experience and COVID containment. Cutting-edge technology innovations such as 5G, cloud computing, big data, satellite navigation, artificial intelligence and green technologies will help present streamlined, safe and splendid Games to the world.