In our research, many people offer help to our team. The following is the list of our acknowledgement.

Qiu Cheng-mei: giving assistance

Nie Yi: giving assistance

Rao Feng: giving assistance

Zou Zhi-hua: offering pictures

Zheng Kui: proofreading

Xiong Zhao-hua’s family: offering material about Miao original ethnic dance

Ma Guo-hua’s family: contacting interview