The impact of connecting Kashgar, Trougart, Uzgen, and Karasuu and facilitating customs at the national border between China and Kyrgyzstan are examined by using IDE-GSM (Institute of Developing Economies, JETRO Geographical Simulation Model). We found that the railway connection has a positive impact in southern Kyrgyzstan and a negative impact in regions of northern Kyrgyzstan, neither of which are the capital city of Kyrgyzstan