How do you choose the three important etiquette in life?

The first category is daily life etiquette: including meeting etiquette, meeting etiquette, conversation etiquette, banquet etiquette, meeting etiquette, dance etiquette, gift etiquette and visit etiquette.

The second category is festival etiquette: including Spring Festival etiquette, Qingming etiquette, Dragon Boat Festival etiquette, Double Ninth Festival etiquette, Mid-Autumn Festival etiquette and wedding etiquette, funeral etiquette and birthday etiquette.

The third category is business etiquette, including meeting etiquette, negotiation etiquette, welcome etiquette and taboo knowledge in negotiation.

Others include public relations etiquette, official etiquette, home etiquette and job hunting etiquette.