White is the most valuable. The color of authentic yak horns is mostly black, and some are brown. Yak horns are divided into white yak horns, black yak horns and flowered yak horns. Among them, white yak horns are as effective as white buffalo horns. They are small in number and very rare. Distributed on the Qinghai-Tibet Plateau, reaching the Kunlun Mountains, Altyn Mountains and the western section of the Qilian Mountains in the north, northwest Sichuan in the east, and Tibet in the south. In the Qinghai-Tibet Plateau, yaks have been domesticated as domestic animals.