Do you need a marriage certificate for a double room in Home Inn?

No marriage certificate is required. Now the express hotel only needs an ID card and needs to upload it to the public security network. Whether it's husband or wife, but two people check in, they must get two certificates, as long as one person has a certificate, it's OK. The so-called wheel is also an ID card. To put it bluntly, you are still boyfriend and girlfriend. Even if not, as long as you are both ID cards, the police will be fine. Hehe, I hope my answer is helpful to you. I hope it can be adopted.