This report provides a detailed overview of Chronic Obstructive Pulmonary Diseases (COPD). It begins with an introduction defining COPD and its impact, followed by findings on the history, aetiology (including smoking, occupational exposure, and air pollution), and clinical manifestations (such as cough, wheezing, and shortness of breath). The discussion section explores various treatment options, including medication, oxygen therapy, and surgery, as well as lifestyle changes. The report also addresses future issues and developments related to COPD, such as respiratory infections and associated complications. The conclusion summarizes the key points, emphasizing the importance of psychological assistance and smoking cessation. References to relevant books and journals support the information presented.