1, Xing: Poetry can stimulate people's emotions and make people feel excited and excited.
2. Viewpoint: Poetry can be used to observe social phenomena and the world and help people better understand and know society.
3. Group: Poetry can be used to make friends. By appreciating and writing poems, people can build deep friendship and mutual trust.
4. Complaints: Poetry can be used to express injustice and complaints, and to criticize and expose social injustice and immoral behavior.