Quit smoking don’t quit clean at once, means in the process of quitting smoking need to go through 3-4 months, is a long-term chronic process, need a phase of time, can not completely quit or suddenly all the smoke are not smoking, so a clean quit situation is not scientific, undesirable. People need 3-4 months of physiological and psychological endocrine adjustment, to be able to gradually reduce the number of times and the frequency of smoking, slow withdrawal, in order to be able to play the case of not re-absorption, not relapse of smoking addiction, at this time should be from the spirit of the will to slowly quit cigarettes. You can also quit smoking through the auxiliary methods, such as throwing away smoking cessation tools, aerobic exercise after meals, eating more fruits and walking, chewing gum and other specific ways and means to quit smoking.