The Bi of the Li nationality is popular in the areas inhabited by the Li and Meifu Li branches of the Li nationality in Dongfang County, Hainan Province.

The tube body is made of green bamboo, the length of the tube is 25 cm to 30 cm, the upper end is left with a bamboo joint, the middle bamboo joint is opened, and the lower end is open. The first section of the tube is thinned, and a bamboo reed with a length of 2 cm and a width of 0.3 cm is carved on the wall of the tube. There are 2 to 4 sound holes on the tube body, the common ones are mostly four-hole chokes, and some have an oblique opening at the end of the tube or add a resonator.

When playing, the body of the tube is placed vertically, the index and middle fingers of the left and right hands press the upper and lower holes respectively, the mouth contains a reed, and the air drum reed presses the hole to pronounce. Range e1—#c2. The tone is rough and melodious, and the bass is similar to that of a Western instrument clarinet. Often used for solo. The young Li family likes to play for their own entertainment when they are herding cattle, and when unmarried young men and women are entertaining together, they often play ji to add to the fun.