Toon has no therapeutic effect on diabetes, toon has the effect of clearing heat and drying dampness, diabetes should follow the doctor’s instructions to standardize the treatment. Toon is a kind of Chinese herbal medicine, for the bark or root bark of toon into medicine. This product has the effect of clearing heat and drying dampness, stopping bleeding, astringent, stopping the belt, killing insects. It is mainly used for the treatment of dysentery, diarrhea, intestinal wind and blood in the stool, leakage, band-aid, ascariasis, filariasis, and sores and ringworm. Those who have diarrhea and dysentery, and those who have cold spleen and stomach should be cautious in taking Toona. Adverse effects of this product are not clear. Therefore, toon has no therapeutic effect on diabetes. Diabetes mellitus should be regulated through exercise and dietary control, or under the guidance of a doctor according to the condition of reasonable medication, blood sugar control in the normal range, not blindly use their own medication, so as not to aggravate the condition.