There are many kinds of Chinese medicines for lowering blood sugar, including tonics and proprietary Chinese medicines, such as thirst-quenching pills, astragalus and hypoglycemic capsules, ginseng and astragalus hypoglycemic capsules, and Yuquan pills. Generally, there are more medicines that benefit the qi and nourish the yin, while the tonics often emphasize the identification of the evidence, because the greatest characteristic of Chinese medicine is individualized treatment, and it is difficult to solve all the problems of diabetes with one medicine. Therefore, the use of traditional Chinese medicine needs to be based on the identification of the evidence, according to the constitution, according to the disease, according to the symptoms, identification and selection of medicines, that is, prescribing tonics to treat, the effect of lowering sugar will be better. Therefore, we can not generalize what Chinese medicine to lower sugar, sugar-lowering traditional Chinese medicine, how effective, the key to see whether the accurate identification, whether the use of drugs is appropriate, if the right evidence is correct, usually can achieve good results.