To provide a characteristic measurement device, a component mounting device, a characteristic measurement method and a component mounting method capable of accurately measuring the electric characteristic of an electronic component.SOLUTION: A characteristic measurement device includes a plurality of electrodes 61 that measures the electrical characteristics of an electronic component D, and an anisotropic conductive sheet 53 that covers at least a part of the plurality of electrodes 61. The electrical characteristics of the electronic component D are measured while applying pressure between the plurality of electrodes 61 and the electronic component D placed on any of a plurality of measurement positions P1 to P9 set on the surface of the anisotropic conductive sheet 53 opposite to the plurality of electrodes 61.SELECTED DRAWING: Figure 16
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