With the advancement of internet technology and mobile technology, personal media arose dramatically and start to replace all the other traditional media such as tv, radio. Nowadays people not only consume the media contents through the personal media but also create the contents and supply them through their own channels. Moreover, they get monetary reward from the platform for the contents that they created. Youtube, one of the most well known personal media platform, is the typical case that reflects the phenomenon that is described above. Making money from supplying videos through their youtube channels now becomes widely known business model that individuals can start easily. In fact, youtubers are increasing explosively. In this perspective, majority of people want to grow their channel efficiently and wonder which factor is significant when it comes to growing the channel. In this paper, by analyzing the empirical data I try to investigate the factors that influence on the gaining subscribers.