The Lahu in Thailand consist of 3 main subgroups : Lahu Yi, Lahu Na and Lahu Shele. The majority of them reside in such provinces as Ching Rai, Chiang Mai, Mae Hong Son, Tak, Kamphaeng Phet and Lampang, Only a small number live in Phetchabun and Phayao.

Costume
Each subgroup of the Lahu dresses differently. Common to all groups is the way they colorfully decorate their clothes with stripes. Of all the three subgroups, Lahu Yi is the largest. A Lahu Yi woman wears a long-sleeved, waist-length blouse. A red stripe is decorated at the facing, the hem and the upper sleeves.

The blouse with round or square buttons is worn with a long black skirt decorated with colorful lines. A Lahu man wears a black, long-sleeved shirt with or without embroidered facing, a loose-fitting trouser and leg pads.

On special event, men and women put on clothes decorated with silver buttons or silver coins. As for ornaments, silver neckbands and bangles are oftenly worn.