Bufei Yishen Prescription on Patients With Frequent AECOPD in Stable Stage

This study is based on a real world using a multicenter, randomized, double-blind, placebo-controlled trial.Based on a real-world multi-center, randomized, double-blind, placebo-controlled trial, this study will clinically observe patients with frequent acute exacerbations of chronic obstructive pulmonary disease in the stable phase.The study will evaluate the clinical efficacy and safety of Chinese medicine treatment programs in patients with frequent acute exacerbations of stable chronic obstructive pulmonary disease, and provide high-quality evidence for the popularization and application of Chinese medicine therapy in chronic obstructive pulmonary disease.This study will scientifically evaluate the clinical efficacy and safety of TCM treatment programs in patients with frequent acute exacerbations of stable chronic obstructive pulmonary disease, and provide high-quality evidence for the popularization of TCM evidence-based treatment in chronic obstructive pulmonary disease.