Chewing areca in Hunan has become a universal hobby, whether officials or people, can not be separated from areca, has formed a special areca cultural landscape. Sales of areca has reached “ five step one stand, one step shop; the degree of &rdquo. In case of plague in the Qing Dynasty legend of Xiangtan, with a variety of drugs can not be treated, resulting in a large number of people died, when the Xiangtan magistrate is slightly understand Cantonese medicine, a medicinal areca let patients chew, actually controlled the disease cured many patients. People think this chewing areca can avoid evil plague, gradually develop a habit.