The most obvious effect of smoking on the examination is that the texture of both lungs will be thickened and disturbed, which will be suggested by X-rays during the examination and will have an impact on the results of the examination. In addition, most patients who smoke have laryngitis, and will show congestion in the throat and chronic pharyngitis during ENT and quintuplegia examinations. Smoking has little effect on the results of blood draws, and blood routine, liver function, kidney function, and blood lipids are generally not affected, but smoking may have an effect on blood pressure, and smoking is one of the risk factors for hypertension and coronary heart disease.