What does the hotel pmm room mean?

Hotel terminology, abstraction of guest rooms, used for group guest record/check-out, etc. , the guest room is used for personal guest record/check-out.

Virtual room number, front desk work account, dumb room and PM room can be regarded as a concept, that is, the account set up by the hotel front desk for non-residential rooms is generally used to review account adjustment, and so on. You can add another account to the unpaid account, because there is no relevant agreement, accounts receivable can't be charged, but guests can also make fake rooms-separate rooms can be charged, and now there are many systems to support, temporary accounts or single room checkout status. These accounts need auditors to supervise the front desk to clean up regularly. If there are many such accounts, the front desk staff should be required to provide details of the projects that should be closed every week and explain the reasons. In the meantime, the financial department will supervise them. If an account is not closed regularly, financial follow-up can be taken.