Old people, children, students and other people who are inconvenient to use mobile phones. After someone else applies for a health code, save the voucher and print it out for use. The printed copy is valid for 7 days, and the application can be repeated after the expiration. The applicant must have registered the health code in the "Wuhan War and Epidemic" before applying for this function. Prepare the applicant's ID number information. At the time of application, the respondent must be in the same venue as the substitute applicant, so as to facilitate the respondent's face recognition and authentication in time. If you fail to pass the face recognition authentication, and the age is below 18 years old, or over 60 years old (including 60 years old), you can automatically enter the "special channel for young and old". If the applicant and the respondent have passed the household registration verification, they can apply quickly. If you fail to pass the quick verification, please upload the applicant's ID card, household registration book and other supporting materials according to the system prompt, and then automatically complete the identity verification. After passing the verification, it is necessary to take photos of the applicant and complete the health report.