Dragon fruit is actually be introduced from the South Pacific to Taiwan, then it be improved the cultivation in Taiwan. The reason to be named as a Dragon fruit is because its outer skin like Dragon . When the flowers opened, the fragrance overflows and the shape looking is symbolic of auspicious in Chinese society, so also called "lucky fruit". Dragon fruit is rich in vitamins and minerals such as calcium, iron which can improve constipation and hemorrhoids. The most special is that it contains plant protein, anthocyanins and high amounts of soluble dietary fiber which helps defecation . It’s also have a protective effect on the gastric wall.