With the coming era of the Internet, there are more and more journalists working as editors for electronic newspapers, and their working process is much different from traditional media because of the characteristic of the Internet. Based on the theory of "problem solving", the article used the methodology of "think aloud" to understand the differences of the editors’ decision-making between electronic newspapers and the traditional press, and how they use their knowledge in problems solving. As the result, it is different between the traditional media and the Internet in terms of the values of news and journalist ’ expertise because of the changing style of newsroom control.