Methods:The rats were done into diabetic model by injected alloxan,and then the rats were perfused a stomach with PDB decoction for 4 weeks continuously.

• 方法采用四氧嘧啶建立糖尿病大鼠模型,自造模成功后,灌胃给予翻白草水煎液,连续给药4周,常规取材、固定、切片,采用醛品红法染色,镜下观察。