Jialing is a Tibetan double-reed air-sounding instrument. The Tibetan word "Jia" means the Han nationality, "Ling" is translated as the flute, which means the flute of the Han nationality, and it is also translated as Jialin, which is called the Tibetan suona in Chinese.

Jialing is composed of tube body, bell mouth, core, gas card, tube whistle and other parts, with a total length of 48 cm to 72 cm. The tube body is made of wood, mostly made of high-quality hard and heavy wood such as mahogany, ebony or sandalwood, especially the precious dark red sandalwood.

The tube body is conical, the back is small and the front is large, the tube body is hollow, the two ends are connected, and the tube length is 20 cm to 40 cm. There are more than eight (seven in the front and one in the back) circular sound-pressing holes on the tube body, and some have seven holes (six in the front and one in the back). A silver hoop is set between the sound holes, and it is also decorated with brightly colored light blue turquoise otoliths. What is particularly unique is that the head end of the tube body used in the Galba Band of the Potala Palace is composed of a double-layered casing that can be pulled out. A core is arranged at the head end of the tube, and a movable bell mouth is sleeved at the tail end of the tube. There are also Jialings, the tube body is made of copper sheet and welded with the bell mouth. The bell mouth, also known as the bowl, is mostly made of thin copper sheets, some are made of silver sheets, and some are gilded on sterling silver bowls. The bell mouth of Jialing is relatively long. Generally, the length of the bowl is 14 cm to 26 cm, and the diameter of the bowl is 12 cm to 18 cm. The upper, middle and mouth parts of the bowl are respectively embedded with symmetrical annular ridge patterns or carvings. Floral ornamentation, one side of the bowl mouth is decorated with copper or silver rings for tying silk ribbons. The core is made of copper or silver, and the precious ones are plated with gold on the outside of silver. They are hollow cones, 7 cm to 12 cm long. The air card is made of two round copper sheets, which are set on the core at the top and the bottom, with two copper spherical ornaments sandwiched in the middle. to compress the tube body. In some Jialings, the core, the two air cards and the decoration in the middle are welded into one. The pipe whistle is made of reeds, preferably the reeds produced in the local plateau ponds.

The specifications of Jialing vary from place to place. The Jialing used for religious activities in Tibetan Buddhist monasteries is 60 cm to 70 cm in length. For example, the Jialing in the Jokhang Temple in Lhasa is 64.4 cm in length, 23 cm in length and 15.6 cm in diameter. . The Jialing of Sakya Monastery in Sakya County has a total length of 69 cm, a bowl length of 25.3 cm and a bowl diameter of 14.4 cm. The Jialing of the Tashilhunpo Monastery in Shigatse is 61 cm long, the bowl is 20.4 cm long and the bowl diameter is 16.2 cm. The Jialing used in the monastery is smaller, with a total length of 48 cm to 55 cm. For example, the Jialing in the Potala Palace in Lhasa has a total length of 48.5 cm, a bowl length of 16 cm and a bowl diameter of 12.2 cm. The Jialing is 51 cm in length, 14 cm in length and 13.2 cm in diameter. The Jialing of Tashilhunpo Monastery in Shigatse has a total length of 55.1 cm, a bowl length of 17.2 cm and a diameter of 13.2 cm. The whole Jialing is coordinated in shape, finely decorated, and very beautiful in appearance, just like a fine handicraft, with endless appreciation value and infinite collection value.