Many ways. The first most important thing about quitting is. Wanting to quit! There are a few medicines that can help like chantix, wellbutrin (bupropion) and nicotine substitutes like the gum, lozenge or patch as well. If you really don't want to quit than consider the electronic cigarette or ecigarette for short which is water vapor with nicotine instead of smoke with carcinogens and chemicals and nicotine instead.
Ear Acupuncture. Dr considine provided an excellent response. Additionally, auricular acupuncture is remarkable for curbing the cravings to smoke.