Aiming at the current situation of the increasing of data bandwidth, transmission rate, number of channels and data processing speed in the fields of national defense and military industry, a multichannel highspeed interconnect information processing system with highly integrated composite architecture is designed.The system utilizes multichip FPGA GHT highspeed interface for interface connection and information processing, SRIO switching technology for highspeed interconnection inside and outside the board, and VPX interface and system to form a data transmission network to achieve efficient combination of data transmission and processing.The system software architecture is designed and developed.Tests show that the system realizes 96channel 10 Gbps highspeed data signal reception, 56-channel 10 Gbps highspeed data signal transmission, 12-channel 10 Gbps highspeed data optical signal transmission in the 6U size, and 32-channel 10 Gbps highspeed data signal interconnection in the board.The system’s 10 Gbps multichannel data transmission paths can meet the requirements of militarygrade harsh environment applications, and its multichannel 10 Gbps data transmission capability is at the domestic leading and international advanced level in the domestic military module circuit.