Two-part allegorical saying is a special language form created by working people in China since ancient times. This is a short, interesting and vivid sentence. It consists of two parts: the former part plays the role of "introduction", like a riddle, and the latter part plays the role of "backing", like a riddle, which is very natural and appropriate. In a certain language environment, you can understand and guess the original intention by saying the first half sentence and "resting" the second half sentence, so it is called two-part allegorical saying. China has a long history of civilization. Five thousand years of historical vicissitudes have precipitated, refined and condensed into a wonderful Chinese language art, in which two-part allegorical sayings have their unique expressive force. Give people profound thinking and enlightenment, spread through the ages. It reflects the unique customs, traditions and national culture of the Chinese nation, tastes life, understands philosophy and improves wisdom.