The invention discloses a three-dimensional model testing system of a deep mine construction engineering, which comprises a hydraulic loading system, a control system, a data monitoring system and a counterforce frame device, wherein the hydraulic loading system comprises a servo oil source group and a servo actuator group which are correspondingly communicated, and an actuator support frame usedfor supporting the servo actuator group; the counterforce frame device comprises a rectangular-ambulatory-plane main frame body, a gate type counterforce frame, a rear loading frame, a drive device and a wheel type bracket, a gate type counterforce frame shaft is connected to the side surface of the rectangular-ambulatory-plane main frame body, the rear loading frame corresponds to the gate type counterforce frame, and the servo actuator group is respectively fixed on the inner side end faces of the working ends of the rectangular-ambulatory-plane main frame body and the rear loading frame through the actuator support frame. The three-dimensional model testing system has the advantages of reasonable structure design, simple operation, convenience and flexibility in use, actual and reliable space simulation of a three-dimensional model, wide application range and strong adaptability.