The real Huai yam is only produced in Henan Province, Huai Qingfu (today's Henan Qinyang area), to the wild as well, the efficacy is extraordinary. The most important thing to remember is that it's a great way to get the most out of your life. Usage can be and other medicine decoction soup, alone boiled water to drink, or cooking porridge. Belongs to the therapeutic health products in the top grade, unfortunately, there are now few wild, most of the artificial cultivation, as well as Guangxi Yunnan Guang yam impersonation.