Legal basis: Article 2 of the Notice of emergency headquarters, Sichuan Province on Doing a Good Job in Health Declaration and Certification Services for Migrant Workers in Response to novel coronavirus Epidemic, with the consent of the inquired person, the inquirer enters the column of "Health Inquiry" and inputs the inquired person's name, ID number and mobile phone number (the three elements must be complete) to inquire about relevant information. You can also scan the code on WeChat "Pay" and Alipay homepage.