Black goji berries are black fruit goji berries, not a source of Chinese medicine goji berries, belonging to the food, and does not have the effect of tonifying the kidney. Red wolfberry usually refers to the Ningxia wolfberry, with nourishing the liver and kidney, benefit the essence and eyesight (tonic essence, promote vision recovery) effect. Chinese medicine goji berries commonly known as red goji berries, sweet flavor, flat nature. It belongs to the liver and kidney meridians and can be used to treat yin deficiency of the liver and kidney (deficiency of yin in the liver and kidney), deficiency of essence and blood, soreness of the waist and knees, impotence and spermatorrhea, vertigo and tinnitus, deficiency of blood and atrophy, and dizziness and uncertainty of the eyes. External evil solid heat, spleen deficiency with dampness and diarrhea should not be taken. Black fruit of wolfberry contains protein, lycium polysaccharide, anthocyanin, amino acids, vitamins, minerals, trace elements and other nutrients, has a certain nutritional value. Appearance of the above symptoms of liver and kidney yin deficiency and other symptoms should seek medical treatment, taking wolfberry treatment of disease, should be under the guidance of a doctor.