Jilu (pinyin: bì lǔ), also known as Hongbai, Buja, Caoshan, Zhixiao, is a single-reed gas-sounding instrument of the Yi and Lahu nationalities. It is popular in Chuxiong, Yongren, Yaoan and other places in Chuxiong Yi Autonomous Prefecture, Yunnan Province.

Jilu, whose name is Yi transliteration, is derived from the sound onomatopoeia of musical instruments.

Jilu tube body is made of bamboo, and the folks mostly use local mangosteen to make it. There are bamboo knots at the head and transparent tail. There are also made from reeds. Specifications vary, usually divided into two types, one is thin and short, and the other is long and thick.

The pronunciation of Jilu is delicate and sweet, the treble is clear and bright, the timbre is metallic, and the bass is thick and full, with a strong nasal sound. Can be used for solo or instrumental ensemble. Folk artists vividly describe the pronunciation of Yu Lu as "the sound of a bee". The Yi people often entertain themselves by playing music, whether they are going to work, traveling, or laboring or tending sheep, even young men and women are inseparable from love and love.

The more popular traditional tunes include "Working Tunes", "Sheep Breeding Tunes", "Chopping Bazi Tunes" and "Love Song Tunes".