2型糖尿病应用胰岛素治疗的患者,随机抽取90例,分治疗组60例,对照组30例。应用湖北海棠叶治疗,60天为一疗程。结果:胰岛素用量显著减少,临床症状改善明显。结论:湖北海棠叶具有降低2型糖尿病患者的血糖,改善并发症的作用。 Type 2 diabetes patients treated with insulin, 90 patients were randomly selected, divided into treatment group 60 cases, control group 30 cases. Application Begonia leaf treatment, 60 days for a course of treatment. Results: The amount of insulin was significantly reduced, clinical symptoms improved significantly. Conclusion: Begonia officinalis L. has the effect of reducing blood sugar and improving the complication in type 2 diabetic patients.