The quality of service (QoS) parameters which is specified in [ITU-T Y.3807] should be quantitatively measured and utilized for the design, deployment, operation, and maintenance to support quantum key distribution network (QKDN) implementation. For this purpose, a method for measuring those parameters is required. This Recommendation specifies measurement structure, measurement process and QoS parameters calculation for measurement methodology of QoS parameters on QKDN.