To provide a small animal-capturing tool that allows small animals, for example, rats or the like to exercise no caution, can capture a variety of small animals over a wide range of body sizes with capturing efficiency increased, permit the captured animals to be readily and hygienically treated, and has a simple structure with excellent productivity.

This small animal capturing tool is equipped with a pressing tool 1 that comprises the bottom plate 2 having the leg 2a, the vertical wall 3 standing from the bottom wall at almost right angle, the presser 4 arranged rotatably to the vertical wall 3, the pressure-taking part 10 that is arranged liftably to the opening 8 formed on the bottom plate 2, the connector 12 that is formed in extension to the edge of the presser 4, the hanging material 13 to be detachably connected to the connection part 12 that is rotatably arranged on the vertical wall side 3 of the presser 4.