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Knee joint exoskeleton system is a kind of human knee joint power-assisting equipment. Its main function is to enable the wearer to obtain the power-assisting torque of the knee joint during walking, running, climbing and other sports, and to improve the wearer"s mobility and load capacity. According to the product characteristics of the knee joint exoskeleton system, the test requirements of the knee joint exoskeleton were studied, and five test requirements were obtained, including routine data, power-assisted efficiency, comfort, life test, and joint drive characteristics. Later, based on the test requirements, a integrated test system for knee joint exoskeleton was designed, and various test subjects including conventional data test, power-assisted efficiency, wearing comfort test, life test, joint drive characteristic test were carried out and researched. After application test, the integrated test system can meet the test requirements of knee joint exoskeleton equipment.