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The etiquette that should be paid attention to when wearing a hat is:
(a) the hat should be worn in accordance with the norms, straight can't wear crooked, but can't lean forward, so as not to give people the impression of "disheveled". Some people wear their hats on purpose to show their personality. In fact, this is a misunderstanding of personality. In some movies, in order to reveal the characters' lack of education, film directors often let the characters' clothes and hats be worn askew, which shows that this has become a typical manifestation of vulgarity.
(2) Men can take off their hats in social occasions to show their respect for each other. When you meet a familiar person, if you can't shake hands because the two sides are far apart, you can gently take off your hat and nod slightly to each other. This is also a common social etiquette.
(3) On solemn occasions, such as attending important gatherings, playing the national anthem and raising the national flag, everyone except soldiers should take off their hats. On sad occasions, such as attending a memorial service and saying goodbye to the body of the deceased, everyone present should also take off his hat.
(4) When entering the room, the man should take off his hat; Women can look at the situation. If the hat is a part of the whole costume, it can be used according to the established etiquette.