Facebook has become a leading brand in social media. 50% of users in Taiwan have searched, purchased or sold products on Facebook, and 22% of users have actually purchased goods through Facebook friends' recommendation (GanWeizhong, 2014). This study focuses on whether different information and peer-to-peer adjustments during shopping will affect purchase behavior. Therefore, this study hopes to use the research on the influence of consumers' intentions on the purchase of watch brands through information, to understand the community information use intentions of consumers to buy watch brands, and the effect of information on consumers' intention to purchase watch brands.