A process of grinding after evenly frying red beans at an appropriate temperature for proper hours in a manner that maximizes the content of antioxidants such as polyphenol, flavonoid, and tannin. Red bean water, which is rich in antioxidants, can remove waste matter, thereby helping lose weight. As it is rich in potassium, it induces diuresis, which helps break down human body fat. As the unpeeled red beans are fried, this product has a great amount of nutritious content.