Version 6.2 of the international standard universal code is the largest character set available at present, which contains more than 76,800 Chinese characters and letters, characters and graphic symbols of various countries. Multi-input method (multi-Chinese character and graphic symbol input method) is an input method compiled for this super-large character set, which can quickly input more than 76,800 Chinese characters in International Code 6.2. However, Chinese characters that are not included in international codes are the most difficult characters in the world, because they cannot be input by any input method.
For example, 64 snack pictures pronounced "BiángBiáng Noodles" can't be typed by the computer, so they can only be pasted as pictures:
There are also 172 Chinese characters with more strokes:
Most of these Chinese characters are made by ordinary people themselves, and they don't know the pronunciation. In addition, it is difficult to write and exchange information. They are really the most difficult Chinese characters to write.