Efficacy of Lycium barbarum: nourishing liver and kidney, nourishing essence and blood, improving eyesight and eliminating nebula, moistening lung and relieving cough. Indications are kidney deficiency, impotence, nocturnal emission, long-term infertility, premature aging, premature aging, premature aging, blood deficiency and sallow, less postpartum milk, blurred vision, thirst quenching by internal heat, fatigue and bone steaming.