The present disclosure provides: (a) a composition for preparing gluten-free wet rice noodle, rice cake, baked rice confectionery, rice cookie and rice bread, (b) gluten-free wet rice noodle, rice cake, baked rice confectionery, rice cookie and rice bread, and (c) a method for preparing the same. The present disclosure not only provides superior gustatory sensation over wet wheat noodle, wheat cake, baked wheat confectionery, wheat cookie and wheat bread but also provides well-being diet cake for health improvement in terms of nutrition since intake of sugar and sweet substances as well as fats can be reduced. In addition, the present disclosure will find useful applications in the well-being health food industry and the agricultural processed food industry since wheat allergy can be avoided owing to the absence of wheat and the gluten-free food is of great help to patients with celiac disease or atopy.