The invention discloses pumpkin powder with a blood sugar reducing effect. The pumpkin powder is characterized by consisting of the following components in percentage by weight: 10-50 percent of pumpkin powder, 0.4-3 percent of a mulberry extract, 0.4-3 percent of a puerarin extract, 0.3-2 permillage of an astragalus membranaceus extract, 2-12 percent of rhizoma anemarrhenae powder, 3-15 percent of ligustrum lucidum ait powder, 1-10 percent of purslane powder, 5-20 percent of resistant dextrin, 1-10 percent of L-arabinose, 1-6 percent of xylitol, 0.5-4 percent of xylooligosaccharide, 0.01-0.05 permillage of vitamin A, 0.01-0.05 permillage of vitamin B1, 0.01-0.05 permillage of vitamin B2, 0.01-0.05 permillage of vitamin B6, 0.01-0.05 permillage of folic acid, 1-5 permillage of vitamin C, 0.0001-0.0005 permillage of vitamin D, 0.1-0.5 permillage of vitamin E and the balance of citric acid. The pumpkin powder can be used for reducing the blood sugar of a diabetes patient and reducing the diabetic complications and has the effects of enhancing the immunity of the organism, resisting oxidization and promoting the organism to produce nutritional substances.