Pouring different dosages of APS(0.4, 0.2, 0.1 mg/ml)to exhausted swimming mice's stomach, we analysed blood component and tested the activities of SOD, GSH-Px, CAT. The results showed that the time of swim to exhaust in the high-dose group was extremely remarkably prolonged (P〈0.01), and that in the middle dose group was significantly prolonged(P〈0.05) ; the total number of WBC, Gran% in the high-dose group were significantly lower than those in the control group (P〈0.01), Lym%, Mid% and Gran were very significantly higher than tho...