Black rice is black rice processing products, belonging to the indica or japonica rice, is a class of characteristic varieties formed by the gramineous plant rice through long-term cultivation.

Black rice grain appearance of long oval, gray-brown husk, grain type indica, japonica two kinds of black rice is non-glutinous rice.

Black rice is black or black-brown, rich in nutrients, food, high medicinal value, in addition to porridge can be made of a variety of nutritious food and wine, known as the "Black Pearl" and "King of the World Rice" reputation.

The most representative of the Shaanxi Yangxian black rice since ancient times, "medicine rice", "tribute rice", "life rice" reputation.

The most representative of Shaanxi Yangxian black rice is known as "medicine rice", "tribute rice" and "longevity rice".