Ficak is a single-reed air-sounding instrument unique to the Xibe people. The Xibe language is also called Olhuifizak. The Han people call it the reed flute. It is popular in Qabqal Xibo Autonomous County, Yili Kazak Autonomous Prefecture, Xinjiang Uygur Autonomous Region.

When playing Fitzak, the tube is upright. Hold the reed flute with both hands, press the two holes with one finger, the ring finger, middle finger and index finger of the right hand horizontally press the lower three holes of the double tube, and the ring finger, middle finger and index finger of the left hand horizontally press the upper three holes of the double tube. The mouth contains a double-pipe reed whistle, the tip of the tongue blocks the upper mouth of the whistle, and it is played with a gentle breath.

What is particularly unique is that the player often ties a thin line near the reed at the lower part of the whistle to adjust the sound of the whistle. Range a - a2, with two octaves. Although the flute pipe is small, but because of the use of double pipes, the volume is large, the sound is soft and bright, and it can play the same degree of double tones. The reed flute is only suitable for solo, not in instrumental ensemble, and rarely used as an accompaniment instrument.

Among the Xibe people, people often play the reed flute to entertain themselves while grazing in the wild or resting during field labor. At night, it is an inseparable close friend of young people. The young man uses the reed flute to convey friendship and love to the girl. Playing it in the silent night, the beautiful flute sound spreads far and far.