Apple as a food, does not have special efficacy and function, black wolfberry should be Chinese herbal medicine goji berries. The efficacy of the two boiled water is to nourish the liver and kidney, benefit the essence and brighten the eyes (nourish the essence and promote the recovery of eyesight). The medicinal source of black wolfberry should be Chinese herbal medicine wolfberry, the drug has the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes, which can be used for the treatment of deficiency labor and essence deficiency, lumbar and knee pain, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal fever accompanied by symptoms such as overeating, drinking, and urinating), blood deficiency and atrophy, and unclear eyesight. In the use of should pay attention to the external evil solid heat people avoid serving. In summary, apple black wolfberry water has nourishing the liver and kidney, benefit the efficacy of bright eyes, but the use of water is limited, can not replace the medication to treat the disease. If you need to use, it is recommended to go to the regular hospital, under the guidance of a professional physician to identify the treatment.