The invention belongs to the technical field of blood glucose lowering drugs, and provides creeping liriope-figwort-milkvetch root soft capsules and a preparation method thereof, wherein a purpose of the present invention is to solve the problem of side effects of long-term administration high blood glucose patients. The creeping liriope-figwort-milkvetch root soft capsules are prepared from creeping liriope, figwort, common anemarrhena, common yam rhizome, milkvetch root, swordlike atractylodes rhizome, rehmannia dride rhizome, medlar, lobed kudzuvine root, salvia miltiorrhiza, cortex moutan, sea buckthorn seed oil, beeswax, gelatin, glycerol and water according to a certain ratio. According to the present invention, based on the traditional Chinese medicine theory whole view, both symptoms and root causes are treated; diabetes involving the upper warmer, diabetes involving the middle warmer and diabetes involving the lower warmer are concurrently treated; the disease can be prevented; the whole human body function can be regulated; various herbs are subjected to compatibility to provide effects of reinforcement, no greasiness, rigid-flexible supplement, qi supplementing and yin nourishing so as to treat the root causes, and provide effects of heat clearing and collateral dredging so as to treat the symptoms and prevent the change; and pharmacological toxicology clinical data prove that the creeping liriope-figwort-milkvetch root soft capsules have characteristics of no toxic-side effect, no influence on human body normal blood glucose, high blood glucose lowering effect, blood fat lowering, body health maintaining, endocrine improvement and regulation, and are the ideal blood glucose lowering product.