Can I get a health certificate without an ID card?

Hello! In principle, it is impossible. There is no photo of the person concerned in the household registration book, so it is impossible to verify the consistency of the person's ID card. Therefore, in most cases, the household registration book cannot be used instead of the ID card. If you lose your ID card, you can apply to the public security department where your household registration is located for a replacement. If you need your ID card urgently during the replacement period, you can apply for temporary id card at the same time, and you can get it within 3 days at the earliest. Temporary id card has the legal effect of proving citizenship.