Smoking e-cigarettes is also harmful to human health, e-cigarettes are a kind of electronic products that imitate cigarettes, with the same look, taste and feel of cigarettes, is through atomization and other means to turn nicotine into vapor, inhalation of this smoke on the trachea and throat and the health of the whole body have a great impact, if the second-hand smoke is also very harmful. Because e-cigarettes do not produce a lot of smoke, consumers will be misled to believe that it does not affect health, inhalation will also produce nicotine dependence, but also damage to the blood vessels to cause cardiovascular disease, but also induce cancer. In addition to containing harmful substances contained in tobacco, but also add other harmful substances, so it is best not to smoke, and can not smoke electronic cigarettes.