What are the ugly customs in China?

1, the elderly can't go to the married daughter's house during the Spring Festival. 2. Set off firecrackers on festive occasions. 3. "build a new house" and "listen to a new house" when getting married. 4. kowtow, burn incense and burn paper. 5. Draw lots for divination, choose auspicious days and approve eight characters. 6, guessing boxing on the wine table, all kinds of persuasion. 7. You can't get a haircut in the first month.