Just fill in the personal information and temperature of the applet to guard Mexico City. According to the relevant public information, after entering the "Guard Mexico City" applet, users only need to fill in personal information such as ID number and ask questions to make purchases. Guarding Mocheng is a digital comprehensive management platform for epidemic prevention and control in Qingdao, Shandong Province. Using digitalization to help epidemic prevention and control is an important means of epidemic prevention and control, and it is also an important content of digital government construction.