/kloc-over 0/6 years old but under 0/8 years old, can I book a hotel room?

You can use your ID card to open a room.

According to the Measures for the Administration of Public Security in Hotel Industry:

Article 5 To operate hotels, we must abide by the laws of the state, establish various safety management systems, establish public security organizations or designate security personnel.

Article 6: Hotels must register when they receive passengers. 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.

Article 7 Hotels shall set up safes, lockers or safe rooms for passengers' belongings, and designate special persons to keep them. A system of registration, collection and handover shall be established for the property deposited by passengers.

Extended data:

Precautions for registration:

1, set up a visiting registration office, and the doorman security officer is responsible for visiting formalities and establishing a post responsibility system for visiting registration.

2. Visitors who need to enter the room to receive visitors shall go through the registration formalities with their ID cards and obtain the consent of the guests before entering the room to receive visitors.

3. When visitors need to leave for a visit, they must fill in the departure time accurately in the time column on the visitor registration form, register the visitors, and the service personnel must make rounds with the room and report the problems in time.

4. Visitors are not allowed in principle from 1 1 to 7: 00 a.m., and visitors can be received in the lobby under special circumstances.

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