Because Taiwan is my grandmother's home, so I am very interested in the history of Fujian and Taiwan, look at the history of evolution, look at the clans on both sides of the Taiwan Strait, cross the sea to Taiwan's corresponding cities on both sides of the Taiwan Strait. The origin of family name in Taiwan, Grandma's surname is Cai. Check out that her hometown is from Zhangzhou, Fujian Province to Tainan, Taiwan.