The invention belongs to the technical field of medicines for treating diabetes, and provides a traditional Chinese medicine preparation for treating diabetes complications in order to solve the problems of many complications existing in the process of oral Chinese medicine, western medicine and insulin injection for diabetic patients. It is prepared from mulberry leaves, ginkgo leaves, seabuckthorn leaves, schisandra chinensis, yam, chrysanthemum, bitter melon, buckwheat head, mulberry branches, astragalus, poria cocos, salvia miltiorrhiza, kudzu root, cassia seed, mulberry, Alisma, notoginseng, and coptis. become. The present invention can slowly lower blood sugar, can effectively prevent and delay the occurrence and development of diabetic complications, and has obvious therapeutic effects on complications caused by diabetes while assisting in lowering blood sugar and improving glucose tolerance; it can soften blood vessels, promote blood microcirculation, Regulate gastrointestinal function, improve mental status, improve sleep quality; effectively reduce the risk of developing complications of diabetes, reduce the economic burden of patients, improve the physical condition of patients, and improve the quality of life of patients.