Konjac is also identified by the United Nations Health Organization as one of the top ten health food. According to "Materia Medica" records, more than 2000 years ago ancestors used konjac to cure diseases. Konjac contains sixteen kinds of amino acids, ten kinds of mineral trace elements and rich in dietary fiber, on the prevention and treatment of diabetes, hypertension has special effects; konjac low calorie, low-fat, low-sugar, on the prevention and treatment of colon cancer, breast cancer, obesity can be said to be a superior both the mouth, but also the treatment of the body's health of the food, but also can prevent and control a variety of gastrointestinal and digestive system of a variety of common chronic diseases, it can be seen that the konjac is a kind of "heaven-sent medicine", eat up a hundred benefits without any harm. Konjac contains a gel-like chemical substances, with anti-cancer magic. As long as the mature konjac after simple extraction and separation, made of konjac fine powder, and then the fine powder with water heating, can produce konjac gel. This gel is eaten into the body, can form a translucent membrane coat, attached to the intestinal wall, hindering a variety of harmful substances, especially carcinogenic substances absorption, so the konjac is also known as the "anti-cancer magic coat".