Discussion and Countermeasures on the Application of Health Code in the Routine Prevention and Control of COVID-19

From the previous SARS to the current novel coronavirus, major public health emergencies have occurred in China one after another. With the development of The Times and the progress of society and science and technology, people are more and more aware of the importance of effective prevention and control of such incidents, and what means to adopt effective prevention and control has gradually attracted global attention. In the context of the new coronavirus epidemic, the health code, an innovative young measure, can be said to have opened up a precedent and played an irreplaceable role in China's epidemic prevention and control. In the three years since the outbreak of COVID-19 from the beginning of 2020 to the end of 2022, health codes have been widely used and become an important means of epidemic prevention, but some problems have inevitably been exposed, especially in the period of normal epidemic prevention and control, such as: The problems of digital divide, information island, and abnormal color of health code have impacted the effective prevention and control of the epidemic in this period. After fully considering and demonstrating the application scenarios and promotion conditions of health code, combine and utilize existing technologies, such as: Bluetooth or GPS positioning, digital contact tracking technology, automatic identification technology, remote technology, etc., put forward the innovative concept of "health code chip", which can not only solve such problems, improve the technical level and practical application range of health code, so that health code has become an important tool and effective means to deal with major public health emergencies. Moreover, it can provide valuable reference opinions and experience for the handling of major public health emergencies in the world.