The Fifth Central Committee of the 19 th National Congress of the Communist Party of China proposed to“Promote the urbanization construction with county towns as an important carrier”.Under the realistic demands of the double pressures of international and domestic development,county towns have become the key to the transformation and upgrading of China’s urbanization in the new era.Based on the perspective of policy text analysis and introduce the concept of“adaptability”,a three-dimensional analysis framework of“Policy Tools—Policy Con...