This study is to identify the effects of personal preference involvement and product involvement of internet sports product shopping mall users on impulse buying behaviors. For the purpose of this study, 231 samples were selected from those who have had purchased sports products through Internet sports product shopping mall. Collected data were statistically treated using 18.0 statistics package, and the analysis methods used in this study were frequency analysis, searching factor analysis, reliability analysis using Cronbah’s α, and multiple regression analysis. Through such statistical analyses, the following conclusions were made. First, personal preference involvement and product property involvement showed statistically significant difference in negative mood avoiding type out of impulse purchase tendencies. Second, personal preference involvement and product property involvement made statistically significant influence on neighbor suggestion type impulse purchase tendency. Third, while product property involvement made significant influence on image unified type impulse purchase tendency, personal preference involvement did not make significant influence on image unified type impulse purchase tendency. Fourth, personal preference involvement made statistically significant influence on non-planned type impulse purchase tendency, but product property involvement did not make significant influence on non-planned type impulse purchase tendency. Fifth, personal preference involvement and product property involvement made significant influence on positive mood maintenance type impulse purchase tendency.