Objective The comparative study included the varying of dyspnea assessment index, the duration of hormone therapy and outcome of Biochemical examination to analyze the use of dyspnea VAS in the management of patients with AECOPD, and to explore the value of the preliminary VAS assessment in guiding hormone use of AECOPD.Methods 69 inpatients( males=55,females=14)diagnosed acute exacerbation of COPD in the the first affiliated hospital of Anhui medical university Department of Respiratory Medicine from Decem...