The Hmu language (hveb Hmub), also known as Qiandong Miao (黔东, Eastern Guizhou Miao), Central Miao (中部苗语), East Hmongic (Ratliff 2010), or (somewhat ambiguously) Black Miao, is a dialect cluster of Hmongic languages of China. The best studied dialect is that of Yǎnghāo (养蒿) village, Taijiang County, Guizhou Province.
Qanu (咯努), a Hmu variety, had 11,450 speakers as of 2000, and is spoken just south of Kaili City, Guizhou. The Qanu are ethnoculturally distinct from the other Hmu.
Miao is a word used in modern China to designate a category of ethnic groups living in southern China and Mainland Southeast Asia. The Miao are the largest ethnic minority group in China without an autonomous region. The Miao live primarily in the mountains of southern China encompassing the provinces of Guizhou, Yunnan, Sichuan, Hubei, Hunan, Guangxi, Guangdong, and Hainan. Some sub-groups of the Miao, most notably the Hmong people, migrated out of China into Southeast Asia (Myanmar, Northern Vietnam, Laos, and Thailand). Following the communist takeover of Laos in 1975, a large group of Hmong refugees resettled in several Western nations, mainly in the United States, France, and Australia.
Miao is a Chinese term referring to many groups that have their own autonyms such as Hmong, Hmu, Xong (Qo-Xiong), and A-Hmao. These people (except those in Hainan) speak Hmongic languages, a subfamily of the Hmong–Mien languages (Miao-Yao) including many mutually unintelligible languages such as the mother tongues of the four primary groups that make up the Miao: Hmong, Hmub, Xong and A-Hmao.