1. Politeness: In people's daily communication activities, proper appearance and moral behavior are the norms of mutual respect and friendship. It is perceptual and normative.

2. Etiquette: it is the application scale of polite behavior, the external expression of polite attitude towards others, the concrete norms of politeness, behavior, language and manners, and a form of showing respect, greetings, thanks and compliments to others in communication places and daily life.

3. Etiquette: It is a polite form for people to express polite behavior and etiquette, usually in more formal and grand occasions and various celebrations.

4. Contact: Etiquette is a concrete expression of politeness, and the two complement each other.

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Second, the agreement service adheres to the principle.

First the guest of honor, then the host, first the female guest, then the male guest, first the guest of honor, then the second guest, with power as the leader.

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Third, the principles and norms of polite service.

Specification: courtesy comes from me, principle of treating people: be kind to guests instead of being too close.

Polite and interesting, providing services rather than being employed.

Behave well and be hospitable. Give three points instead of condescending.

Help others without asking for anything in return.