Miao people are taboo to be called "Meng" by other nationalities, but prefer to call themselves "Meng". After the first spring thunder, Miao people in Qiandongnan Prefecture and other areas could not go out to work for three days.

On the first and fifteenth day of each month in the lunar calendar, Miao people in western Hunan are forbidden to pick dung.

Miao people don't like mutton, and it is forbidden to eat dog meat, and it is forbidden to kill or beat dogs. In Miao nationality, you can't eat Ciba after filming. When playing with Miao people, you can't tie them with ropes or cloth belts. When Miao people hang straw hats or insert green leaves at the door, or when Miao people hold weddings and funerals, guests are not allowed to enter. When you meet a newly married couple on the road, you can't cross it.