Although the appearance of e-cigarettes is the same as that of ordinary cigarettes, its mechanism of action is different, mainly by heating into liquid nicotine, and then inhaled into the human body. In fact, it will be harmful to the body, especially to the lungs and heart, and induce related diseases, thus affecting the weight loss goal and not conducive to the implementation of the weight loss plan. If necessary, it is recommended to stay away from cigarettes at ordinary times to reduce the harm.