Methods To prepare three batches of Jiangtang Xiaoke with decocted and establish control methods of quality by TLC;in the same time,to observe its clinical effective.

• 方法采用煎煮法制备三批降糖消渴合剂,用薄层色谱法建立其质量控制方法,同时将三批样品采用对照品观察临床疗效。