With the votes for the candidates belonging to which party to do the point estimation using the legislative electoral data since 2001, the average number of votes is about 77,473 and the average percent is approximately 30.49% for the pan-green parties; and the average number of votes is about 174,723 and the average percent is approximately 69.52% for the pan-blue parties. Therefore, the pan-blue political landscape is 39.03% greater than the pan-green in Miaoli County. When divided into two areas to do the point estimations that the pan-blue political landscape is 23.15% greater than the pan-green in the first constituency; and the pan-blue political landscape is 46.22% greater than the pan-green in the second constituency. When divided into two areas to do the interval estimations, the pan-blue political landscape is 21.44- 24.87% greater than the pan-green in the first constituency; the pan-blue political landscape is 45.68 - 46.77% greater than the pan-green in the second constituency. The Moran's I is 0. 6716; the Standardized Z(I) is 18.72, and they display there is a strong regional differences; the political support is obviously tending to the dark blue party according to the Lai Jingui, et al.. This paper also shows that Miaoli County is a pan-blue super region.