Objective To study the effect of Dongbing Xiazhi pill combined with nursing intervention on the prognosis of patients with lung and kidney qi and yin deficiency COPD in the stable phase.Methods 120 patients who met the inclusion criteria were divided into 4 groups according to the random number table method:treatment group,group A,group B and group C,with 30 cases in each group.The treatment group was given nursing intervention and oral Dongbing Xiazhi pill group,group A was given oral Dongbing Xiazhi pill group,group B was given inhaled tiotro...