1. Ask your family or friends to help you apply: If the elderly don't have a smart phone or can't use it, you can ask your family or friends to help you apply for a health code.
2. Apply to the community service center: Many community service centers provide health code application services, and the elderly can apply to the community service center.
3. Apply to the hospital: Some hospitals also provide health code application services, and the elderly can apply to the hospital.
4. Telephone application: Some places also provide the service of applying for health code by telephone, and the elderly can call the local health code application hotline to apply.
It should be noted that the elderly need to provide personal identification and health information when applying for health codes to ensure the accuracy and effectiveness of health codes.