The yam is rich in a variety of nutrients, wide range of pharmacological effects, health effects is indeed a promising development, food and medicine used along with plants. The yam is widely used in pharmaceuticals, has now become an important raw material for a new kind of food and health products industry. In this paper, the combination of the yam ancient literature, research and modern clinical application, using the classification of ancient literature on the yam summary, the summary of modern clinical analysis, medicinal and edible value and prospects of the yam Outlook reviewed. Prove that yam has greater potential in edible and medicinal, it is worth further development and use of a food and medicine used along with nourishing care Vegetable. 打的我累死了。 给分吧。