Medlar powder can nourish the kidney, kidney deficiency of men caused by the waist and knee sour and soft has a very good curative effect, with men to take Goqi can tonify the kidney and strengthen Yang, improve sexual ability. Wolfberry powder can be medicinal, can also be tonic, its aphrodisiac effect is very significant. Male friends who have difficulty in sex affairs can use this medicine appropriately to increase their ability in this respect.