How long the patch can be applied varies from person to person and is related to the patient’s daily smoking, the patient’s response to the patch and the method of quitting smoking. Smoking cessation patches are a form of nicotine replacement therapy that can free smokers from their dependence on cigarettes. Smoking cessation patches have a variety of use methods, depending on the patient’s different purposes, such as smoking cessation, reduction and replacement, different smoking cessation programs need to be adopted, including one-time cessation method, gradual reduction method, the length of use also varies, such as some people to carry out a one-time cessation method, the use of smoking cessation patches 1-2 months to quit. Generally, the smoking cessation program can be developed based on the patient’s daily smoking volume, and then the patient’s response to the smoking cessation patch can be gradually reduced, increased or decreased at intervals, and finally the use of the patch can be stopped. The amount, interval and total length of use of the patch should be adjusted according to the patient’s specific situation, and is not set in stone, but must be used consistently to avoid half-way.