1. It does not contain tar that is harmful to the human body and has no carcinogens.

2. It does not burn, and there are no harmful chemical substances produced after burning.

3. There is no harm to others and environmental pollution caused by "second-hand smoke".

4. There is no fire hazard, and it can be used in non-smoking and fire-prohibited places.

 

Like cigarettes, it can cause dependence, and long-term smoking may be harmful to the body.