Methods: Senile Balb/c mice were randomly divided into senile blank group(SBG) and senile medication administration group(SMAG),given normal saline and BJYHF for 4 months respectively.

• 方法:老年Balb/c小鼠随机分为老年空白组和老年给药组,分别给予生理盐水和补肾健脾养血活血方4个月。