Recently, Due to advances in smart-phones and mobile devices, the use of SNS is increasing in recent years. Online networking is building new paradigms in terms of creating personal needs. Along with the nature of mobile devices, it is expected to have a lot of impact on SNS service participation. The study focused on the effect of SNS on SNS participation and ease of use of social characteristics and ease of use of SNS. A survey was conducted on a survey of SNS users and analyzed the data through the structural equations. The study found that the study of social networking was statistically significant in terms of the intent of identifying the usefulness of SNS and ease of use and ease of use.