The invention discloses a detector capable of autonomously detecting the oral cavity, which includes a headband. The right end of the headband is fixedly provided with a detector, and the left end surface of the detector is fixed with an eyecup. The headband is worn behind the head. The eyecup is covered around the eyes, a display screen is provided in the headband and on the right side of the eyecup, and a light-passing port is provided between the display screen and the eyecup, and in the light-passing port A light blocking plate is provided, and an opening and closing device is provided on the upper side of the display screen and the light-passing port. The opening and closing device is provided with a lifting plate. The present invention is worn on the head and surrounds the eyes with an eye mask. The VR displays the images detected in the oral cavity. By holding a small camera in the oral cavity, the user can clearly see the situation inside the oral cavity and protect privacy. The device has excellent storage and protection. Automatic storage at the push of a button, extremely easy to use.
