Based on Hanhan Mingwen Dayupian, The Great Chinese Dictionary and Sea of Chinese Characters, Using “font, use, interpretation, pronunciation, order of the five seek each other” method of word examination, this paper conducts a textual research on some difficult characters Contemporary Large-sized Dictionaries in Radical “Che”. The difficult characters to be interpreted mainly include those with incorrect interpretation, unclear interpretation, phonetic errors, incorrect transcription of characters, incorrect identification of variant characters, undifferentiated homographs, common and erroneous characters that have not been communicated with the correct characters, and those that can be supplemented and corrected based on existing interpretation conclusions.