Outsiders are not allowed to eat at Miao's house. Only at the invitation of the Miao family. The Miao people are most afraid that outsiders will match their young seeds, which is considered to be the biggest insult to the Miao people. When guests come to Miao's home, they will toast each other with wine. If the guest accepts it, the host will regard it as a confidant. If the guests can't drink well, they should also take a shot of the symbolic products. Miao, an ancient nation, is scattered all over the world, mainly in Guizhou, Hunan, Hubei, Sichuan, Yunnan, Guangxi, Qiong and other provinces in China, as well as Laos, Vietnam, Thailand and other countries and regions in Southeast Asia. Miao people's dietary customs have their own characteristics. Miao people in Qiandongnan, Xiangxi and Rongshui of Hainan Island take rice as their staple food, as well as miscellaneous grains such as corn, sweet potato and millet. Miao people in northwest Guizhou, south Sichuan and northeast Yunnan take corn, potatoes, buckwheat and oats as their staple food. There are many kinds of non-staple food, besides collecting wild vegetables and engaging in fishing and hunting, there are also livestock, poultry, fish, beans, vegetables, fruits and so on. Hot and sour taste is an indispensable thing in Miao life. In the past, due to the lack of salt in mountainous areas, many Miao people lived on light food all the year round and could only use hot and sour seasoning. Over time, they formed a habit.