The invention discloses a psychological tester. The psychological tester includes a machine body and an auxiliary support; a computer host is arranged inside the machine body, a display screen mounting frame is arranged on the upper surface of the machine body, and a display screen and a reflector are arranged on the display screen mounting frame; the auxiliary support includes two hand support plates, a jaw support and a base, the hand support plates are connected with the machine body, baffle rods and grip rods are oppositely arranged on the upper surfaces of the hand support plates, pulse detection assemblies and skin resistance testing assemblies are arranged on the baffle rods, and pressure detection assemblies are arranged on the outer walls of the grips rods; the jaw support is of an inverted U-shaped structure, the two ends of the jaw support are connected with the hand support plates, and a respiratory rate detection assembly is arranged on the jaw support; the base is of a U-shaped structure and is arranged at the bottoms of the hand support plates, and the two ends of the base are connected with the hand support plates respectively. The psychological tester has the advantages that a user can know about the user's own test conditions in real time through the reflector, the body can be supported through the auxiliary support, and the related physical sign detection modules are adopted to detect physical signs, so that it is convenient for a doctor to make reasonable diagnoses.