The core of dictionary compilation model is the using of terms. Such are all subjects to be studied in the process of further research into ancient Chinese Japanese and Korean Character Dictionaries as origin research of compilation terms, comparison between extension and connotation, analysis of signifier and signified and frequency and so on. Because the terms in them involve rich experience with compiling a dictionary and information on using, communication and identification of characters. So they have become rare research material today. Research into compilation terms in ancient Chinese Japanese and Korean Characters Dictionaries from the perspective of the Chinese character cultural circle would provide a solid foundation for studying Chinese modern character history and character communication history.