For example, her husband cheated. Can she find out when she goes to the hotel? Is it confidential?

According to the relevant information, the query shows that it can't be found, which is confidential.

1, the husband cheated, and the wife couldn't find out when she went to the hotel. The hotel keeps customer information confidential.

2, unless the police, related to the case.

3. Now the hotel's check-in records are all networked and subject to the supervision of the public security department. If you enter the ID number of the inquired person in the system, you can see the check-in records of all hotels, including the hotel and room number where you are staying now.