The invention discloses anti-saccharification weight-losing ferment peptide powder. The anti-saccharification weight-losing ferment peptide powder comprises the following components: rhizoma dioscoreae, fructus lycii, okra, tremella, blueberries, mulberries, grapes, tomatoes, pineapples, lemons, fructo-oligosaccharide, small molecular peptides, lactic acid bacteria and fish collagen peptide. The anti-saccharification weight-losing ferment peptide powder disclosed by the invention has the advantages of simple production flow, abundant raw materials, faint scent and mellow taste, sour and sweettaste and mellow mouthfeel; the product quality is stable and the product is prepared from pure natural materials; the anti-saccharification weight-losing ferment peptide powder has no any additive and preservative, so that people feel more relieved when eating the product and the nutritional value is high; the ferment can be used for enhancing a digestion function of organisms, promoting metabolism of fat, starch and protein and improving obesity caused by overnutrition; and the ferment also can be used for rapidly cleaning toxins and garbage in bodies, detoxifying and beautifying, coordinating gastrointestinal functions and promoting metabolism, so that the effect of losing weight is really achieved. The weight-losing ferment is convenient to carry; and after the ferment powder is takenout, placed into warm water or milk, beverages and coffee and dissolved, the warm water or milk, beverages and coffee with the weight-losing ferment can be drunk.