阐释了高速铁路联调联试的内涵和必要性，结合我国高速铁路联调联试的工程实践，从轮轨关系、弓网关系、列车空气动力学、车-线-桥耦合等角度，对高速铁路联调联试关键技术进行了分析，对高速铁路联调联试和试验研究取得的主要成果进行了系统性提炼和归纳，给出可供高速铁路建设和运用参考的相关思考和建议。

The connotation and necessity of testing and commissioning of high-speed railway is explained and discussed， combined with the engineering practice of testing and commissioning in China， the key technology of testing and commissioning of high-speed railway are analyzed from the perspective of wheel/rail interaction， pantograph and ocs relation， aerodynamics of high-speed railway and train-track-bridge coupling. Then the main achievements of testing and commissioning of high-speed railway in China are concluded， and some useful suggestions are given about high-speed railway construction and operation.