Multifunctional all-in-one machine

The utility model relates to the technical field of multifunctional all-in-one machines, in particular to a multifunctional all-in-one machine which comprises a shell, a media publishing and displaying system screen and a file borrowing interaction system screen. A file borrowing interaction system screen is obliquely and upwards arranged below the media publishing and displaying system screen, a read-write mechanism is arranged below the file borrowing interaction system screen, a purification mechanism, a file self-service borrowing purifier mainboard and a power module are arranged in the shell, and air outlets are formed in the two sides of the shell. Through the arrangement of the read-write mechanism, the media release display system screen, the file borrowing interaction system screen and the purification mechanism, identity real-name borrowing query is determined through IC card and identity card recognition, borrowed files and queried files do not need to be manually contacted, meanwhile, the equipme