The technical condition of SBE for the formula of Jiaotai Pill was: The pH value in first extraction was adjusted to 2.20 by the use of HCL solution.

• 交泰丸方药SBE的工艺条件为：第1煎用水以HCL调至pH2.；20，第2、3煎用水依次以NaOH调至pH6