In the international politics, the issue of how to avert the conflicts and wars is concerned by the states of the world. ”Confidence Building Measures” is the best solution for tackling misunderstandings and misjudgments which might lead to wars. They are also beneficial to decrease the chance of all-out wars due to accidents. By exchanging information, the countries will have better understanding for one another.”Confidence Building Measures” is one of issues for the current studies of Cross-Strait relationship. Taking the case studies on ASEAN, India, Pakistan, and Korean Peninsula, this article will provide the thoughts of possible future ”Confidence Building Measures” of cross-strait.