There is no joint effect of raisins and goji berries in water, the following is a description of their respective roles. Raisins are rich in nutrients and goji berries have the effect of nourishing yin and brightening the eyes. Raisins: raisins are a kind of food, rich in sugar, protein, vitamins and fiber and other nutrients. Lycium barbarum: Lycium barbarum is flat in nature and sweet in flavor. It has the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes (tonifying the essence and promoting the recovery of eyesight), and is a yin tonic. Water precipitation of the active ingredient is limited, it is recommended to decoction. Raisins and wolfberries in water can dissolve a small amount of sugar, diabetic patients are not recommended to drink, so as not to cause elevated blood sugar. It is recommended to drink a moderate amount of water to avoid the formation of dietary preferences.