The article summarizes the academic thought of Professor ZHANG Qi in treating rheumatism.In the cause and the pathogenesis of rheumatism,he thinks that disease invading and asthenia of health energy are the basic pathogenesis of rheumatism,besides the three evils:wind,cold and dampness,fever,the blood stasis,the phlegm stasis and blockade of collaterals have important meaning in rheumatism morbidity;In treating rheumatism,we must strengthen the body’s natural resistance and remove harmful factors,and use method of attacking(relieve wind,chill,dampness,fever and phlegm stasis),removing(smoothen blood and collateral circulation),reinfocing(regulating and nourishing yi-yang,qi,blood and zang-fu).In the prescription and medication,we must strengthen the body's natural resistance at the same time of removing harmful factors,systematic treating,make good use of the ancient Chinese medical classical recipe,treat the obstinate rheumatism,swelling and pain by the insect medicine.