The price of saffron is very expensive and has the reputation of “red gold”. Its unique scent has a very comfortable feeling, and its brewed water is golden yellow, bright and noble, once known as the color of the emperor. The saffron was originally produced in the Western Regions, hence the name saffron. Later, it was introduced to India from the Mediterranean coast. It was also a saffron, and it was introduced into China from India through Tibet. It is also called saffron. In fact, Tibet did not produce saffron in early years. The success of introducing saffron in Shannan, Lhasa and Changdu areas has been a success in recent years.

Longzi Black Barley is a unique barley variety in Longzi County, Shannan District, Tibet. It grows in wheat fields at an altitude of 3,800 m to 4,200 m. It is named because its husk and grain epidermis are black and purple, and its shape is elliptical or rhomboid. It has special high antioxidant and nutrient content which is not found in common white peony.