What is the meaning of "four" in Chinese tunic suit?

The four pockets of Zhongshan suit represent four dimensions of "courtesy, righteousness, honesty and shame"; The bag cover is an inverted pen container, which means ruling the country by writing; The back is unbreakable, which means the meaning of peaceful reunification of the country and so on.

Therefore, the declaration of "non-legacy" is conducive to inheriting the symbol of the Chinese nation, telling the people, especially the younger generation, the solemn and generous connotation of the Zhongshan suit and its epoch-making classic significance as China's clothing culture, so that they can love, wear and respect the Zhongshan suit and inherit the patriotic spirit of the Chinese nation to revitalize China and strive for self-improvement.

Extended data:

Because of Sun Yat-sen's advocacy and its simplicity and practicality, suits have been very popular since the Revolution of 1911. 19 12, the government of the Republic of China issued a general order to designate the Zhongshan suit as a dress, and modified its shape, giving it a new meaning. Upright lapels, double lapels, five buttons on the front, four patch pocket, three buttons on the cuffs, and the back piece is complete.

President Mao Zedong appreciates the "Chinese tunic suit" very much and insists on wearing it all the time, so foreign friends also call it "Mao uniform". At present, China's leaders still wear Chinese tunic suit only on special occasions, but it is still the standard uniform of North Korea. Zhongshan suit was once very popular in Tanzania, but it was later replaced by "Mandela shirt".

People's Daily Online-Is Chinese tunic suit the "formal dress" of China people?