Electronic cigarettes and paper cigarettes are harmful, smoking is harmful to health. Paper cigarettes can release carbon monoxide, tar, nicotine and other carcinogens when burning, and at the same time addictive, long-term smokers have a smoke flavor and smoke color deposits in the mouth and skin, which can increase wheezing bronchitis, lung cancer, chronic lung diseases and cardiovascular diseases, causing environmental pollution and fire. E-cigarette through the atomizer or pipe inhalation of liquid tobacco oil to achieve the purpose of smoking, its main components are water, nicotine, glycerin, additives and flavors; the smoking process does not produce tobacco oil and carbon monoxide, but due to the flavor, may cover up the harm it does, teenagers are easily addicted to long-term smoking can easily lead to lung disease and psychological disorders, e-cigarettes batteries are easy to explode, causing environmental pollution. Smoking is harmful to health, it is recommended to quit smoking. If you feel sick, you should go to the respiratory department and smoking cessation clinic of regular hospitals for consultation.