An animal test device that can automatically optimize the tests performed for animal testing.An animal test device 1 for performing behavior tests of a test animal A includes a cage 2 used as a living environment for a test animal A a modular chamber 3 incident to the cage 2 a touch panel 33 located in the chamber 3, that presents tasks to a test animal A, detects responses from the test animal A, and obtains response data a position measurement device 4 that measures the position of a test animal A in the cage 2 and the chamber 3 and obtains position data a data storage unit 55 that stores the response data and the position data as test data and a task improvement unit 511e that improves the task presented by the touch panel 33, based on the test data.
