What does hotel pre-authorization mean?

Legal analysis: Hotel pre-authorization means that when the holder of a credit card stays in a hotel, the hotel staff will estimate the total amount needed according to the number of days the holder stays in the hotel and the deposit regulations when staying in the hotel, and then ask the holder to swipe the credit card for pre-authorization.

Legal basis: Article 87 of the Measures for the Supervision and Administration of Credit Card Business of Commercial Banks. The acquiring bank shall ensure that the credit card numbers on all printed documents of the acquiring terminal of the acquiring business are partially blocked, except for the transfer-in card number, pre-authorized transaction reserved card number and IC card offline transaction.