An endoscopic device with cleaning function includes an image display, an operating handle, an air pressure tube coupler, a snake tube assembly, a liquid-guiding container, a spray switch, and a liquid-guiding tube； and the snake tube assembly is mounted on the operating handle and wired connected with the image display； the operating handle is provided with a signal transmitting terminal, and the snake tube assembly is wired connected with the signal transmitting terminal； the image display is provided with a signal receiving terminal for wireless signal transmission with the signal transmitting terminal. Under the premise of guaranteeing the acquisition of image functions, the images can be acquired by a wired way of snake tube assembly and image display, or by wireless transmission via the signal transmitting terminal and signal receiving terminal of the snake tube assembly, which can facilitate the cleaning and can check and inspect the surface of objects.
