Objective To study the characteristics of TCM symptom and syndrome of chronic obstructive pulmonary disease（COPD）.Methods The TCM syndrome investigation tables on COPD were made to carry out the transection clinical investigation on 99 cases.Results In the acute aggravating stage

the incidence of excess syndrome was in an order of blood stasis syndrome

phlegm heat in lung syndrome

exterior cold and lung heat syndrome

and phlegm damp in lung syndrome;while the incidence of deficiency syndrome was in an order of lung-qi deficiency syndrome

spleen-qi deficiency syndrome

and kidney-yang deficiency syndrome.In the relieved stage

the incidence of excess syndrome was in an order of blood stasis syndrome

phlegm heat in lung syndrome

and phlegm damp in lung syndrome;while the incidence of deficiency syndrome was in an order of lung-qi deficiency syndrome

spleen-qi deficiency syndrome

and kidney yang deficiency syndrome.Conclusion The acute aggravating stage is characterized by deficiency in orgin and excess in superficiality

complicated case of deficiency with excess

induced by exogenous pathogenic factors.The relieved stage is the one in which the pathological changes are symptomized as qi deficiency of lung

spleen and kidney

mainly yang deficiency

and accompanied with manifestations of excess in superficiality

blood stasis and phlegm heat

mainly deficiency.