The main purpose of this study is to assess the relationship between communication satisfaction and group creativity. To achieve this purpose, this study has two objectives. First, I will identify the relationship between the satisfaction of communication and idea creation. Second, the relationship between communication satisfaction and problem solving activity will be statistically tested. The major findings of the study can be summarized as follows: First, Statistically significant positive relations were found between the communication satisfaction and idea creation. Especially, sub-construct for supervisor communication$({eta}=0.14,;p<.05)$, quality of media$({eta}=0.13,;p<.05)$, individual feedback$({eta}=0.36,;p<.001)$, organizational prospect$({eta}0.31,;p<.001)$ showed the statistically significant positive(+) relationship with construct in idea creation. Second, the measurement of communication satisfaction had showed statistically significant relationship with the problem solving activity. Especially, communication with supervisor$({eta}=0.21,;p<.05)$, quality of media$({eta}=0.21,;p<.001)$, organizational prospects$({eta}=0.22,;p<.001)$, and communication with subordinate$({eta}=0.37,;p<.001)$ showed the significant positive(+) relationship with problem solving activity construct. These consequences suggest that communication satisfaction of employee is effective in the improving the group creativity in organization. In the conclusion, this study present the satisfaction factor of employee communication as a incremental factor of group creativity.