The invention relates to a functional food, in particular to a nutritional meal with effects of losing weight, expelling toxin and reducing blood sugar, blood lipid and blood pressure. The nutritional meal is prepared by mixing the following raw materials in part by weight: 3 to 5 parts of konjaku flour, 1.8 to 3.2 parts of black fagopyrum tataricum powder, 8 to 12 parts of pumpkin powder, 5 to 8 parts of Chinese yam powder, 6 to 10 parts of corn starch, 0.8 to 1.2 parts of bunge auriculate root powder, 4 to 6 parts of triticale powder, 0.5 to 1 part of pine needle powder, 2 to 4 parts of semen sesami nigrum powder, 10 to 15 parts of sweet potato powder, 1.5 to 3 parts of burdock powder, 1.2 to 2 parts of soya bean lecithin powder, and 1.5 to 2.8 parts of red rice powder. According to the nutritional meal with the effects of losing weight, expelling toxin, and reducing blood sugar, blood lipid and blood pressure, raw materials are natural, the defect of single function of the conventional functional food is overcome, the toxic or side effects with different degrees, which are caused by chemotherapy can be avoided, the nutritional meal is scientific and reasonable in formula, and has the characteristics of high stability and can be taken for a long time, does not influence the normal food intake of people, and is obvious in effect of losing weight, expelling toxin and reducing blood sugar, blood lipid and blood pressure; and comprehensive and balanced nutrition can be taken by people.