The price of black wolfberry has a lot to do with the grade. The price of black wolfberry with higher grade is about 100 yuan. Now, the price per catty of Lycium barbarum with good sales in the market is around 60 yuan. If you don't use much, you'd better buy boxed black wolfberry. This kind of Lycium barbarum is easier to preserve. When you keep black wolfberry, you must put it in a cool and dry place. And at room temperature. Many people have the habit of putting Lycium barbarum in the refrigerator, but this habit is also very bad. It is also very beneficial for friends with chronic diseases to drink more Lycium barbarum brewed with warm water. But don't brew Lycium barbarum with hot water. What's the price of black wolfberry? If the Lycium barbarum you buy looks good, its price will be a little higher, 100 yuan or so. When you keep black wolfberry, you must put it in a cool and dry place. For friends with chronic diseases, it is also very beneficial to drink the water boiled by Lycium barbarum regularly. But you must not brew black wolfberry with hot water.