介绍了小浪底水库断面控制测量ＧＰＳ网的布设方案及数据处理方法，分析了网的实测精度。采用主动插入式布网方法，作业调度灵活、效率高，能充分发挥ＧＰＳ快速静态测量模式的特点。数据分析结果表明，ＧＰＳ网的测量精度高且可靠，超过了规定的五等水准测量要求。基线向量解算时，通过人工干预处理，可以有效提高解算质量。针对平差约束点的精度一致性问题，给出了相应的分析方法。 The deployment plan and data processing method of GPS network of Xiaolangdi Reservoir Section Control Survey are introduced, and the actual measurement precision of the network is analyzed. Adopting the active insertion network method, the job scheduling is flexible and efficient, which can give full play to the characteristics of GPS fast static measurement mode. Data analysis results show that the measurement accuracy of the GPS network is high and reliable, exceeding the stipulated fifth-level measurement requirements. When calculating the baseline vector, the quality of the solution can be effectively improved through manual intervention. Aiming at the accuracy consistency problem of adjustment constraints, the corresponding analysis methods are given.