The invention discloses a 
medicine for treating diabetes. The 
medicine comprises the following raw materials in percentage by weight: 11.1-15.1% of 
ginseng fruits, 11.1-15.1% of fragrant solomonseal rhizomes, 10.1-14.1% of kudzuvine roots, 10.1-14.1% of Chinese wolfberries, 10.1-12.1% of mulberry leaves, 9.1-13.1% of malt, 8.5-12.5% of 
astragalus roots, 8.5-12.5% of solomonseal rhizomes and 3.4-9.4% of 
coptis roots. According to the 
medicine for treating diabetes, through combination of the raw materials, 
immunity of organisms can be enhanced, 
virus infection can be resisted, and activity of the 
pancreas can be protected; normal 
metabolism of 
islet cells can be restored, and the 
secretion function of 
islet B cells can be improved; damaged 
islet B cells can be cultured for regeneration, 
insulin receptors can be enhanced, and the regulation effect of 
insulin can be fully exerted; trace elements closely related to diabetes can be highly supplemented; 
blood sugar and 
urine sugar can be rapidly reduced, and complications can be actively prevented and treated; and the health of diabetes patients can be comprehensively restored. The Tangshu 
capsule is only suitable for 
type II diabetes patients, is verified to have no toxic or side effects by toxicological experiments, is safe, convenient and reliable, has low dosage, is easily acceptable by patients, and has rapid and an obvious 
curative effect.