Can the bathtub in a 5-star hotel be replaced?

Yes. "One guest, one change" is the industry standard for five-star hotels. Things that need to be replaced include: bathtubs, toilets, mouthwash cups, etc., and they should be replaced in a timely manner. Five-star hotels are hotels whose comprehensive level reaches five stars. The classification of hotel stars is based on the hotel's architecture, facilities and equipment, functions, management, and service levels.