The invention relates to multifunctional green coarse cereal foods and a preparation method thereof. The multifunctional green coarse cereal foods are characterized in that 7-12 coarse cereals are proportioned according to a specific ratio to form many forms of the foods, and the foods can be used as staple food meals or desserts or healthy snacks. Test data statistics show that it is suitable for all people to eat the foods, the body functions of healthy people can be consolidated and enhanced after the healthy people eat the foods, the foods can be eaten by people suffering from sub-health or chronic disease torment for a long term, such as diabetic patients, cardiovascular and cerebrovascular disease patients, three-highs patients, apoplexy patients, senile dementia patients, obvious memory decline people, menopause syndrome women, habitual constipation people and overweight people, and all body function declines or deviations caused by unhealthy diet or living habits of the above people can be safety corrected through common meal diets.
