The invention discloses a large-scale wind power off-grid control method based on compressive coordination and optimization of an FACTS and HVDC, and belongs to the technical fields of a power system and automation thereof. The coordination and optimization method for the FACTS and the HVDC with the minimum wind power off-grid control cost is found by means of taking EEAC quantitative analysis theory as the basic theory based on improved sensitivity of collected bus voltage fluctuation of a wind power plant under the premise of ensuring the system safety, and by means of coordinating and optimizing FACTS equipment, stationing and capacity configuration before accidents and direct current emergency power modulation after accident. By adoption of the large-scale wind power off-grid control method, suppression of the wind power off-grid and economic operation of the power grid can be realized, so that technological support is provided for the AC-DC hybrid power grid operation and large-scale utilization of new energy of China.