The invention relates to a test method based on network measurement and a control system time synchronous protocol in power industry. The method comprises the following steps of testing IEEE1588 (Institute of Electrical and Electronics Engineers 1588) protocol consistency, testing IEEE1588 protocol hardware time mark accuracy and testing IEEE1588 protocol time synchronization accuracy. The step of testing the IEEE1588 protocol consistency comprises the following steps of testing PTP (Precision Time Protocol) default attribute values, testing a route delay mechanism, testing BMC (best master clock) algorithm-data set comparison algorithm and testing state decision algorithm, wherein the step of testing the route delay mechanism comprises the following steps of testing a report ignoring other delay mechanisms and testing a peer to peer delay mechanism. The step of testing the IEEE1588 protocol hardware time mark accuracy comprises the following steps of measuring master clock and transparent clock transmission delay and measuring transparent clock and slave clock transmission delay. By the method, the problem on interoperability of equipment manufactured by different manufacturers when a power system applies an IEEE1588 protocol can be solved, the actual parameters of key functions of the equipment can be acquired, and basis for evaluating the performances of the equipment is provided.