If he wants to use the newsstand, he can enter the newsstand password 123456 and enter the newsstand. If he can't enter the reading booth by entering the password, he can ask the teacher at the reception desk on the second floor for help. Or you can pay attention to the official WeChat account of Binzhou Library, reply "I want to read aloud" and get the password to open the door.
It should be noted that it can directly enter the digital password to open the door, and other keys cannot be pressed. If you make a mistake, you must go back and re-enter your password.