2. Save the screenshot and print out the health code.
3. Or go directly to the community neighborhood committee and enjoy the convenience service for elderly residents to apply for paper health codes.
4. Buy the shell online, put the hygiene code and rope, which is not easy to be damaged and convenient for the elderly to carry.
5. Prepare more copies in case of emergency.
6. While preparing health passwords for the elderly, we should also actively help the elderly to integrate into the digital age.