Spatial and Temporal Evolution Characteristics of High-Quality Tourism Development in China

: Since the reform and opening up, China's tourism industry has made great achievements, gradually becoming a strategic pillar industry of the national economy. This article takes 285 prefecture-level cities in China as the research object, constructs five dimensions of innovation, coordination, green, openness, and sharing as the evaluation index system for high-quality development of China's tourism economy, uses entropy method to measure the high-quality development level of cities, and uses descriptive analysis and ArcGIS spatial technology to analyze the spatiotemporal evolution characteristics of high-quality development level of tourism. The main conclusions are as follows: (1) The high quality index value of China's tourism economy is relatively low, with regional differences. (2