The invention discloses a food composition applicable to a diabetic. The food composition comprises the following components: tartary buckwheat, 
black rice, 
lotus roots, 
coix seeds, rice, oats, Chinese yams, 
lotus seeds, yellow corns, hazelnuts, garbanzos, rice beans, konjak, black sesame, 
sweet almonds, shii-take, medlar, dried mulberries, dried seedless grapes, fermented black beans, 
kudzu vine root 
powder, 
wheat germ powder, cinnamon 
powder, hawthorn powder, carrot powder, tomato powder, pumpkin powder, concentrated 
whey protein, 
camellia oil, 
perilla seed oil, 
corn oil, 
maltodextrin, L-
carnitine, L-
malic acid, 
xylitol and 
milk calcium. The invention further discloses a preparation method of the food composition applicable to the diabetic. Through reasonable formula ratio, the food composition can not only control the 
blood sugar, but also lose weight, improve the 
insulin resistance, lower the 
blood pressure, improve the blood lipid, prevent or 
delay occurrence and development of complications and improve the living quality and the health level of the diabetic.