The short answer: no vaccines, but paperwork still applies
A Chinese hamster usually needs no vaccination proof for boarding, because pet hamsters are not routinely vaccinated against anything. That does not mean he boards with no paperwork at all. Most small-animal boarders ask for a signed health declaration, your contact and emergency details, your vet's information, and written consent for them to arrange veterinary treatment if he becomes unwell during the stay. Ask the specific facility what it wants well before the booking, because requirements for exotic boarders vary far more than they do for dogs and cats.
The health declaration a boarder actually wants
The document that does the work of a vaccine card for a Chinese hamster is the health declaration you sign at booking. In it you typically confirm that he is eating and drinking normally, active at his usual hours, passing dry droppings, and showing no wet tail area, skin sores, fur loss patches, lumps, or laboured breathing. Boarders rely on this because they house many small animals in one airspace, and a hamster arriving with runny droppings or a respiratory problem puts every other guest at risk. Be scrupulously honest on it: if your Chinese hamster has had a recent digestive upset or is finishing a course of treatment your vet prescribed, disclose it and let the facility decide, rather than having him turned away at the door.
Vet details and treatment consent
Paperwork for boarding a Chinese hamster should name a vet who actually sees hamsters — many boarders keep exotic guests and will ask which practice to call, and a general small-animal vet's number is far more useful than none. The consent form matters just as much: it authorises the boarder to transport him to that vet and approve necessary care when you cannot be reached, and it usually states that costs fall to you. Add a second emergency contact who can make decisions if you are travelling without signal. Some facilities also ask for a recent weight and a note of any long-term condition, such as a tendency to develop sore feet on wire floors, so they can set his enclosure up correctly.
What to confirm with the facility in writing
Get the boarder's own requirements confirmed before the stay, ideally in writing, because a Chinese hamster falls into the 'exotic' bucket where policies are set house by house. Ask whether they want the health declaration signed on arrival or in advance, whether they supply enclosures or expect his own, and what their isolation arrangement is if any guest shows signs of illness. Ask, too, whether they require a vet check shortly before boarding — most do not for hamsters, but a facility that also boards rabbits and guinea pigs occasionally applies one blanket rule, and discovering that on drop-off day is stressful for everyone, including the hamster.
Records to have ready on drop-off day
Arrive with the signed declaration, the consent form, your contact sheet, and a short care summary covering his seed mix, his evening activity pattern, and his handling style — Chinese hamsters are slender, quick climbers who startle more readily than the sturdier dwarf species. Having his information organised before you travel removes the reception-desk scramble and lets staff settle him quickly into a quiet corner, which is exactly what a small, shy boarder needs.
Storing your Chinese hamster's declaration, vet details, and consent forms in KinsLe's Pet Passport keeps the whole boarding packet together as one portable record, ready to show any facility without a last-minute paper hunt.