The invention discloses a psychological test system. The psychological test system comprises a human-machine operation module, a psychological test module, a vital sign acquisition module, a video acquisition module, a data processing module, an action command recognition module, a facial expression and body language recognition module, a central processor, a three-dimensional scene simulation module and a psychological comprehensive assessment module. Various dynamic humans, animals, scenes and the like can be established through the three-dimensional scene simulation module, a user can participate in the whole simulation process to conduct dialogue or action communication with the humans, the animals and the like, the user can have a vivid sense of being personally on the scene, and detection precision is improved; through the arrangement of the facial expression and body language recognition module, automatic recognition of psychological state data represented by the facial expression and body language of the user is realized, assessment of comprehensive psychological conditions of the user is realized in cooperation with the detection results of the vital sign acquisition module and the psychological test module, and the accuracy and comprehensiveness of the data are improved.