延寿丹口服液可明显促进用大黄合剂和氢化可的松复制出“脾虚”和“阳虚”模型小鼠的复健,能使动物胸腺及脾脏重量均较模型对照组明显增加。0℃以下耐冻试验结果,10小时内模型对照组有70～80％动物死亡,而给药组仅为30％动物死亡,显示该口服液能显著提高动物耐冻抵抗力。 Yanshoudan oral liquid can obviously promote the rehabilitation of the mice with spleen deficiency and Yang deficiency by using rhubarb mixture and hydrocortisone, and can make the weight of the thymus and spleen of the animal significantly increase compared with the model control group. Under the 0°C freezing test results, 70 to 80% of the animals in the model control group died within 10 hours, whereas only 30% of the animals died in the administration group, indicating that the oral solution can significantly improve the freezing tolerance of the animals.