Mental and psychological state detector

The mental and psychological state detector comprises a detector body, a display screen, a detection bracelet and a hammer head assembly, an installation groove is formed in the top of the detector body, an installation plate is fixedly arranged on the inner side wall of the installation groove, a containing groove matched with the detection bracelet is formed in the top of the installation plate, and the detection bracelet is fixedly arranged in the containing groove. The detection bracelet is placed in the placement groove, and a rotating rod is rotatably arranged on the inner side wall of the mounting groove. Through cooperative use of the motor, the bidirectional lead screw, the locking plate and the rotating block, the rotating rod and the winding roller can be locked conveniently, the length of the pulled-out connecting rope can be fixed conveniently, the fixing effect on the connecting rope is improved, through cooperative use of a first non-slip mat and a second non-slip mat, the locking effect on the