This situation was taken into consideration when the e-cigarette is designed .

Based on the degree of addiction of the smoker ,four levels of artifial nicotine concentrations are intraduced for the e-cigarettes ,namely ,high ,medium ,low and none .

Controlled by the electronic chip ,the atomization of the liquid artificial nicotine will be reduced gradually .

Meanwhile ,the consumption of artificial nicotine is reduced from high to low level simultaneously .

The heavy smokers can start from high content level ,till no nicotine is contained .