Plugging agent or plugging agent performance testing device, method, system, equipment and medium

The invention discloses a plugging agent or plugging agent performance testing device, method, system and equipment and a medium, which are used for accurately evaluating the action effect of a plugging agent or a plugging agent on a measurement medium. The method comprises the following steps: placing a to-be-tested seam plate on a seam plate seat, and fixing the seam plate by using a seam plate cover; a measurement medium is placed in the sand bed cylinder, and the water absorption rate s of the measurement medium is determined; detecting the porosity c of the measurement medium; to-be-detected plugging or leaking stoppage slurry is guided into the slurry cylinder from the end cover; starting a driving element to pressurize the to-be-detected plugging or leaking stoppage slurry in the slurry cylinder; after the preset test time is reached, the driving element is turned off; measuring the stroke X of the drive element; determining the volume parameter of the extruded plugging or leaking stoppage slurry to be