山茱萸,别名枣皮、萸肉,为山茱萸科落叶小乔木,以去果核的果肉入药,具有滋补肝肾、涩精敛汗的功能。它主治腰膝酸痛、阳萎遗精、小便频数、眩晕耳鸣、阳虚自汗、月经过多等症,是一味名贵的常用中药材。为了改变山茱萸半野生力家种,近年来,有关科研人员经嫁接试验,使山茱萸嫁接成活率 Dogwood, alias jujube, cornus, is a small deciduous tree Cornus officinalis to the pulp of the drug, with nourishing liver and kidney, astringent refined sweating function. It attends waist and knee pain, impotence nocturnal emission, frequency of urination, dizziness, tinnitus, yang self-sweating, menorrhagia embolism, blindly expensive commonly used Chinese herbal medicines. In order to change the semi-wild dogwood species, in recent years, the researchers through the grafting test, so that the survival rate of grafted dogwood