1. It can not only resist cancer, but also good for beauty and increase human resistance, reduce blood pressure, blood sugar, anti-aging, prolonging life, reducing blood lipids and eliminating lipids, as well as benefiting spleen, lung, kidney and other functions. It is also called "the king of vegetables".Purple yam, also known as "purple ginseng, can help digestion, purple yam contains mucin, amylase, saponin, free amino acids, polyphenol oxidase and other substances, and the content is relatively rich, with a tonic effect, as a good food for recovery after disease. 2. Purple yam ube powder is fat-free and contains mucoprotein which can prevent the adipose deposition of cardiovascular system and prevent premature hardening of arteries.