The utility model discloses a bolt-locking type anti-theft window which comprises a window frame and a window body, and the window frame is fixedly mounted on a wall body. The anti-theft window is characterized in that the lower end of the window body is hinged to the window frame; a bracket is mounted at the lower end of the window frame; a pin hole is horizontally formed in the upper end of the window frame; a vertical blind hole communicated with the pin hole is formed in the position corresponding to the pin hole; a through hole is formed in the position, corresponding to the blind hole, of the window body; a T-shaped piece is arranged on the through hole in the window body and the blind hole in the window frame; a bolt hole is formed in the upper part of the T-shaped piece; a pin is arranged inside the pin hole; the end part of the pin is placed in the through hole in the T-shaped piece. According to the utility model, for the window body, the pin placed in the pin hole can be pulled up indoors under the emergency state to enable the window body to be turned down, and the window is dragged through the bracket mounted on the part, below the window body, of the wall body, so that the theft prevention function can be achieved, and a user can quickly open the anti-theft window indoors under the emergency state for escaping or waiting for rescue.