The invention relates to a traditional Chinese medicine composition for treatment of diabetes, which comprises the following pharmaceutical raw materials by proportion: 10 - 25g of gypsum, 10 - 20g of dried rehmannia, 10 - 20g of prepared rehmannia, 10 - 25g of angelica, 10 - 25g of dangshen, 10 - 20g of trichosanthin, 10 - 20g of scrophularia, 10 - 20g of sweet potato flesh, 12 - 18g of polygonatum, 10 - 25g of Chinese yam, 12 - 20g of radix polygoni multiflori preparata, 10 - 20 g of medlar, 12 to 18g of asparagus fern, 12 - 18g of Radix Ophiopogonis, 8 - 15g of anemarrhena, 8 -15g of phellodendron, 10 - 20g of medicinal cyathula root, 4 -10gof red ginseng, and 100 - 500g of pear juice. The medicine has a simple treatment method, obvious efficacy, no side effects, and quickly disappeared clinical symptoms, and is convenient to use, the course of treatment is short, and the diabetes can be thoroughly eradicated, and can be cured without relapse. Through the clinical observation for 200 cases of patients suffered from the diabetes, the comprehensive effective rate reaches 98%, and the cure rate is 94% without relapse.