The present invention discloses an intelligent numerically-controlled ultrahigh pressure true three-dimensional non-uniform loading/unloading and steady pressure model test system, comprising a combined bench counterforce device, an ultrahigh pressure true three-dimensional non-uniform loading/unloading device, an intelligent hydraulic loading/unloading and steady pressure numerical control system, an automatic model displacement test system and a high-definition multi-probe peeping system, wherein the ultrahigh pressure true three-dimensional non-uniform loading/unloading device is arranged in the combined bench counterforce device and used for carrying out ultrahigh pressure true three-dimensional loading/unloading on a test model, and the intelligent hydraulic loading/unloading and steady pressure numerical control system is connected with the ultrahigh pressure true three-dimensional non-uniform loading/unloading device via a high-pressure oil pipe; the ultrahigh pressure true three-dimensional non-unifor
