Yulu, a single-reed gas-sounding instrument of the Yi and Lahu nationalities. Its name is Yi transliteration, which 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.

Sizes vary, usually divided into two types. The thin and short Yulu has a tube length of 20 cm and an inner diameter of the tube tail of 0.3 cm to 0.4 cm. Thin and smooth the tube wall below the bamboo joint of the tube head, and carve a rectangular reed with a sharp knife, the tongue of the reed is upward, and the length of the reed is 2 cm. A rectangular through hole can also be opened at the same position for inlaying the reed, and one end of the reed is firmly tied with a thin wire. There are six or seven rectangular sound holes on the body of the tube, and those with seven holes have a dorsal hole; the long and thick Qilu has a tube length of 30 cm and an inner diameter of the tube tail of 0.8 cm to 1 cm. The reed of the tube head can be opened either on the front of the tube body or on the back of the tube body, the reed tongue is upward, and the reed length is about 3 cm. There are five or six rectangular sound holes on the tube body, and no back holes are set. The sound holes are 1 cm long and 0.3 cm wide, and the distance from the second hole to the third hole is slightly larger.