1. Xi, double happiness. It is mostly used for wedding and other festive occasions. It refers to the use, not the traditional form of the simplified Chinese character "Xi". Happy, happy, happy. Represents people's emotions.
2. Happiness is one of the seven emotions, including people's daily likes, hobbies, happiness, drowning, joy, joy, joy and cheerfulness. On behalf of people's emotions, the word "hi" that we often use now has evolved in this way. Happiness not only represents emotions, but also is widely used in folk life, especially when it comes to auspicious things, pregnancy and things related to marriage, which belong to the great joy of life, so it has evolved into many names that have been passed down to this day. For example, it refers to marriage, happy event, wedding banquet, wedding candy, wedding egg, wedding couplet, wedding mother, wedding ceremony and so on. Especially women are pregnant, happy, unhappy, happy and happy.