The present invention provides preparation methods of a grape wine jelly raw material composition and red wine jelly. In the raw material composition, the grape wine, water and sucrose are main component raw materials, konjac flour with low calories and high dietary fibers is added as an accessory material, at the same time, a small amount of selected and adjusted jelly powder, coagulants and other additives are combined, and thus the grape wine jelly which is good in mouthfeel and flavor, stable in structure and ingredients, less in additive contents and rich in nutrition, and has a health-care function. At the same time, the composition is used as the raw material. By further adjusting the operation steps of material adding sequence, etc., the grape wine jelly with the good flavor and health-care functions can be conveniently and quickly prepared.