The experiment was carried out on malemice（20-24g）.The animals were dividedinto two groups

i.e.moxa cauterized（gro-up A）and control（group B）.The resultsshowed that the rate of clearance of carbonparticles from the blood in group A （10 mi-ce）was quite different from that of groupB（12 mice）.The carbon particles in group A were cleared very rapidly from the bloodin 10-20 minutes after injection

and almostdisappeared completely in 40 minutes afterinjection

while the blood carbon concentra-tion in group B was still at a higher level.The phagocytic indices（K）in groups A andB were 0.051±0.014 and 0.019±0.008 res-pectively.The difference between them wasstatistically significant（P<0.01）.The distribution of carbon in liver andspleen of mice was studied quantitatively.In group A （8 mice）

considerable quantitiesof carbon were accumulated in the liver

whereas only traces were found in thespleen in both groups.In group A

the meancarbon particles in the liver was 2.72±0.49mg（68.0% recovered）

while in the spleenwas 0.048±0.018mg（1.2% recovered）.Ingroup B（8 mice）

the mean carbon particlesin the liver was 1.77±0.66mg（44.24% re-covered）and 0.019±0.01mg（0.47% recovered）in the spleen.Therefore

the function of theliver macrophages was more significantly ac-tivated in moxa group than that of the nor-mal control animals.The peritoneal phago-cytic percentages of the two groups were foundto be 42.2±5.6% and 23.8±7.3%

andthe phagocytic indices were 0.61±0.11 and0.38±0.12 respectively.This indicated thatthe peritoneal phagocytes of the animalswere more activated in group A（P<0.01）.