Wooden drum, called "Keluoke" in Wa language, is a traditional sacrifice offering tool, musical instrument and alarm reporting tool. Trunk of Schima wallichii,peach tree or Mali tree is raw materials for the drum which is hollowed out according to specified shapes. The sizes of different drums are varied, and the drum is usually 2 meters long with a diameter of between 0.5 and 1 meter. There are two kinds of drums: male drum and female drum. The syllable of male drum is on the low side and the tone color of it is loud and jarring. The syllable of female drum is a little bit higher, and the tone color is clear and melodious. They are generally put together in the wooden drum house in the village.