After the attacks on September 11, 2001, the U.S. government recognized the importance of "hearts and minds" and develoued strategic communication mechanism to coordinate national efforts to inform, influence, or persuade both domestic and international audiences. However, the mechanism did not work very well and had several problems, and disputes. Even now, the U.S. government still try to do the adjustment. In 2014, the Ministry of National Defense, R.O.C. has adopted the idea of U.S. strategic communication mechanism and attempted to use it to gain the support of the domestic public and the international support. This article commences with the review of U.S. strategic communication origins, developments, and practicing processes. It is followed by the examination in current debates and innovations of U.S. strategic communication mechanism. Finally, it analyzes the applicability to R.O.C. strategic communication mechanism as policy recommendations.