The top of black wolfberry generally refers to black wolfberry over 0.6 centimeters. Wild wolfberry is so large, very few, less than 1/10. Anthocyanin content is high, peanuts are large and edible. Chaidamu black wolfberry, a number of shrubs, growing at an altitude of 2600 meters to 3000 meters in desert areas, in the Qaidam Basin in Qinghai Province enjoys the reputation of "treasure basin", high altitude, dry climate, clean ecological environment, serious pollution. EE. The unique natural environment has created the unique nutritional value of black wolfberry. Anti-aging, improve sleep: anti-aging is a black wolfberry the most important role, a large number of anthocyanins can be very good antioxidants, the elimination of human free radicals, has a significant anti-aging effect. Anthocyanins can penetrate the blood-brain barrier, protect the oxidation of brain nerve cells, stabilize brain tissue, and protect the brain from harmful chemicals and toxins. The consumption of anthocyanins in black wolfberry can significantly improve sleep quality. The contents of calcium, magnesium and copper, iron and zinc were higher than those of Lycium barbarum L. Calcium, magnesium, copper, zinc and iron are higher than those in red wolfberries, and vitamins and fats are much higher than those in red fruits and wolfberries. Calcium, magnesium, copper, zinc, manganese, iron, lead, nickel, cadmium, cobalt, chromium, potassium and sodium play an important role in maintaining the normal physiological function of the human body. Compared with Lycium barbarum, the contents of Fe, Ca and Mg in Lycium barbarum L. were much higher than the average, while the contents of K and Mn were much lower than the average. The contents of Na and Na were much lower than those in Lycium barbarum L. Basically the same.