Blurred texture in both lungs is described by imaging changes such as CT and chest radiographs. Blurred texture in both lungs may be caused by physiologic or pathologic factors, such as smoking and bronchitis. 1. Physiological factors: can be seen in long-term smokers, the elderly and obese, if there is no cough, sputum, wheezing and dyspnea and other clinical symptoms can be followed up regularly for observation; lifestyle habits, pay attention to smoking cessation, weight loss, and enhance the lungs exercise. 2. Pathological factors: can be seen in acute and chronic bronchitis, old tuberculosis and lung infections, etc.; such as fever, cough, acute bronchitis and lung infections; old tuberculosis usually no clinical symptoms; treatment of antibiotics, such as cefuroxime, and symptomatic supportive treatment and improve the relevant examination. If there is any discomfort, we suggest that the patient go to the hospital to complete the relevant laboratory tests, clarify the cause of the disease and assess the condition, and follow the doctor’s instructions for reasonable and standardized treatment.