The hotel room was booked online, but I forgot my ID card. What should I do?

You can't check in if you forget your ID card. You can report to the local police station and verify your identity. The local police station can check and verify the passenger's identity information through the national population information base, print the information, and affix the official seal as the proof document of the passenger's real name registration.

Provisions on the administration of real-name registration of hotel accommodation

Article 8? Chinese mainland passengers who need to stay in hotels but do not carry valid identity documents should report to the local police station to verify their identity. The local police station will check and verify the passenger's identity information through the national population information database, print the information, and affix the official seal as the proof document for the passenger's real name registration.

Hong Kong, Macao and Taiwan tourists and foreign tourists who need to stay in hotels but do not carry valid identity documents shall be verified by the exit-entry administration department of the public security organ in the place where they stay, and the passengers shall register their real names with relevant documents.

Extended data:

The measures for the administration of public security in the hotel industry stipulates that

Article 7? The valid identity documents for China tourists (including China tourists among Hong Kong, Macao and Taiwan residents) to register their real names in hotels mainly include: China people's household registration book (mainly used for minors under 16), resident identity card, temporary resident identity card, passport, seaman's card, China people's pass to and from Hong Kong and Macao Special Administrative Region on business;

Officer's card, police officer's card, civilian cadre's card, soldier's card and student's card issued by China People's Liberation Army and Chinese People's Armed Police Force; Hong Kong and Macao residents travel to and from the Mainland; Travel Permit for mainland travel permit for taiwan residents and People's Republic of China.

Article 6 A hotel must register for receiving passengers' accommodation. At the time of registration, the passenger's identity documents shall be checked and truthfully registered according to the prescribed items. To receive accommodation from overseas tourists, an accommodation registration form shall also be submitted to the local public security organ within 24 hours.

Seventeenth in violation of the provisions of article sixth, eleven, twelve, in accordance with the relevant provisions of the "People's Republic of China (PRC) public security management punishment law", the relevant personnel shall be punished; If a major accident occurs, causing serious consequences and constituting a crime, criminal responsibility shall be investigated according to law.

Baidu Encyclopedia-Measures for the Administration of Public Security in Hotel Industry

Baidu Encyclopedia-Hunan Province Hotel Accommodation Real Name Registration Management Regulations