山药为常用大宗药材,主产河南,广西、江西、山东、山西、河北、陕西、江苏、浙江、贵州、四川等省(区)均有生产,全国年需用量为600万公斤。该品种除甘草、当归、生地、白芍、黄芪外销量排行第七位。因山药有健脾养胃、补肺益肾的作用,既可药用,又可食用,销售量逐年增加,市场价格也随之上浮。 Yam is commonly used in large quantities of medicinal herbs, and the main products are produced in Henan, Guangxi, Jiangxi, Shandong, Shanxi, Hebei, Shaanxi, Jiangsu, Zhejiang, Guizhou and Sichuan provinces and autonomous regions. The annual consumption of yam is 6 million kilograms. The varieties in addition to licorice, angelica, habitat, white peony root, astragalus sales ranked seventh. Because of yam spleen Stomach, Bufei Yishen role, both medicinal, but also edible, sales increased year by year, the market price also will go up.