The medicinal name of Lycium barbarum is Lycium barbarum, which is the mature fruit of Ningxia Lycium barbarum, family Solanaceae. It is sweet in flavor, flat in nature, and belongs to the liver and kidney meridians, with the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes (tonifying the essence and promoting the restoration of eyesight). Lycium barbarum is used for deficiency of essence, lumbar and knee pain, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal heat accompanied by symptoms such as overeating, drinking and urinating), blood deficiency and yellowing, and dizziness and uncertainty of the eyes. The adverse effects and contraindications of the drug are not clear. Lycium barbarum is a yin tonic Chinese medicine, without aphrodisiac effect. If there is a need for medication, it is recommended that it be used under the guidance of a professional physician, not blindly self-medication.