Diabetic patients often have diarrhea mainly because of long-term poor blood sugar control, resulting in gastrointestinal autonomic neuropathy, patients will be manifested as gastrointestinal dysfunction, frequent diarrhea or diarrhea and constipation alternation. The drugs used in the treatment include montelukast, this drug can mainly achieve a better effect. Another kind of drug is bacillus subtilis dictyostelium, to improve the intestinal flora of diabetic patients have a better therapeutic effect. Another kind of drug is xanthin, if diabetic patients with diarrhea accompanied by abdominal pain, you can try to take xanthin orally, to relieve diarrhea also has a better therapeutic effect, in addition to the above three kinds of drugs, diabetes should also strengthen the control of blood sugar.