摘要:With the prevalence of social media, which integrates into individuals’ routine life, the emotions of users partially direct the content that published on platforms, and it has become an unignorable element during social networking sites operation. Appropriately utilizing emotions is an feasible and effective method of enhancing profit. To figure out the impacts that generated by the designs of social media platforms on users’ emotions, and the corresponding influences of emotions on advertisements, this paper focuses on the designs, including the homepage and hashtags, and their functions on mainstream social networking services (SNS) inside and outside the domain, such as Sina Weibo, Twitter, Instagram, and TikTok. The effects of group users against individual users concerning emotion are discussed, and the positive and negative effects on devised advertisements when taking advantage of users’ emotions are also analyzed.