The invention relates to a human body simulation circulating system in the technical field of the detection of medical apparatuses, which comprises a heart simulating assembly, a heart control system, a sensing device, a data acquisition system, a peripheral simulating assembly, a cardiac ventricle auxiliary device and a controller, wherein the heart control system is connected with the heart simulating assembly; the heart simulating assembly and the peripheral simulating assembly are sequentially connected in series to form a heart simulating flow path system; the cardiac ventricle auxiliarydevice is connected in parallel with the heart simulating assembly to form a cardiac ventricle auxiliary flow path system; the sensing device is connected to a heart simulation and cardiac ventricle auxiliary combined flow path system; the input end of the data acquisition system is respectively connected with the sensing device and a computer to receive a pressure flux signal and a control command, and the output end of the data acquisition system is connected with the heart control system and the cardiac ventricle auxiliary device. The invention can detect the pressure and the flux of a plurality of positions in a flow path and is convenient for continuously optimizing the structure of the cardiac ventricle auxiliary device and a control system.