采用熵权TOPSIS法、标准差椭圆、模糊集定性比较分析等方法对2017—2021年黄河流域旅游高质量发展的空间演化及优化路径进行分析。结果表明：2017—2021年，黄河流域旅游高质量发展总体水平（相对贴近度）处于0.026~0.867，区域发展水平差异显著，呈现不平衡、不均匀的空间分布态势，东北-西南方向的空间集聚特征明显，西南部地区对黄河流域旅游高质量发展的拉动作用逐渐增强。2017—2021年，黄河流域旅游高质量发展空间重心向西南向移动，空间重心处于111.75°—111.16°E、36.02°—35.53°N，空间重心均呈集聚分布，移动距离较小，5年间共移动91.47 km。旅游生态治理是实现黄河流域旅游高质量发展的必要条件，存在市场—生态治理、资源—服务—生态治理、资源—服务—生态治理—市场3种条件组态。

The study focuses on the high-quality development of ecotourism in the Yellow River Basin， which investigates nine provinces（regions）within the basin from 2017 to 2021. Specifically， the analysis employs Entropy-Weighted TOPSIS method， standard deviation ellipse and fuzzy set to analyze the spatial evolution and optimization path. The findings are as follows： The high-quality development level of ecotourism in the Yellow River Basin ranges from 0.026 and 0.867， which indicates considerable regional disparities. The spatial agglomeration in the direction of Northeast-Southwest is obvious， and the pulling effect of the southwestern region on the high-quality development of tourism in the Yellow River Basin is gradually increasing； Over the study period， the centre of gravity of high-quality development of ecotourism in the Yellow River Basin is moved in a south-westerly direction gradually， concentrated in the spatial range at 111.75°-111.16°E and 36.02°-35.53°N. The centre of gravity shows slight movement， covering 91.47 km in five years； and ecological environment protection is considered a necessary condition for realizing the high-quality development of ecological tourism in the Yellow River Basin. There are three kinds of condition： market-ecological governance， resource-service-ecological governance， and resource-service-ecological governance-market.