摘要： 本文通过工作实例，阐述了GPS+水准高程拟合法在大地水准面精化中的应用，同时对大地水准面精化中应注意的问题进行了剖析。

Abstract: Combined with actual case, this paper expatiated the application of the GPS+ bench elevation fitness method to enhance the geoidal accuracy, and also discussed the problems need attention.