It studies the cognition of smoking group to different tobacco warning label， and compared the warning effectiveness with different warning label. A 3 × 3 within-subjects factor experiment design was used，and using an eye-tracking method to collect eye movement data from 139 Chinese college students. A questionnaire survey is used to collect data about memory， cognition，attitude， and potential behavior after reading the cigarette pictures. Warning labels located in the upper and central sections of the package can capture the subject′ s attention better than other locations. Vivid warning labels had the strongest warning effect. Rotating the form and position of warning labels can help increase a college student′ s perception of risk caused by smoking， enhance their aversion to smoking， and reduce a student′s smoking behavior.