The Cross-Straits relation has entered a key time after 20th of May in 2008. Both side had resumed negotiations on the basis of ”Ninty-two consensus” after talks been suspended for 10 years, and completed many historical tasks step by step. Standing on the historical turning point, to establish Confidence Building Measures is one of the key factors of improving the Cross-Straits relations. This paper analyses the pros and cons and its gains and losses by way of SWOT with the CBMs theory and practices, trying to search the way how to promote both sides to seize the opportunities in constructing a mutual trust mechanism that can resolve the accumulated misunderstanding and conflict problems lasting for such a long time, and to create a win-win strategy for the peace and stability between China and Taiwan.