This document specifies the hexadecimal representation of Chinese graphic characters and their binary codes used in information technology. This document applies to the processing, exchange, storage, transmission, presentation, input and output of Chinese and other graphic character information. This document is applicable to technical products with information processing and exchange functions of Chinese and other text and graphic characters, including but not limited to the software products represented by input methods, optical character recognition (OCR), editing and proofreading, machine translation, speech synthesis, text transcription, intelligent writing, etc., as well as the hardware products represented by computers, communication terminal equipment, e-book readers, learning machines, etc.