Nowadays, most of people in Taiwan has a smartphone. According to FIND investigation, it clams 6.09 million people has a smartphone in Taiwan. Most of consumers will ask somebody about the smartphone performance, or search unboxing on the internet. The purpose of this study was to investigate the effect of unboxing and buying intention, it adds the variable of justification into the study. Another aim was to find out the satisfaction with the search process and decision process when the subjects read the product of introduction on the web and unboxing. Based on 190 samples with experiment, the results indicated that:(1) the official introduction (2) the official introduction & unboxing (3) the official introduction、justification (4) the official introduction & unboxing、justification.