The present invention provides a base, which includes a base body used to support a display panel, wherein the base further includes an alarm device being capable of emitting an alarm signal. The alarm device includes an alarm element and a sensing component for detecting a remote controller. A placement groove is capable of accommodating the remote controller therein is provided in the base body. The sensing component is provided in the placement groove, and the alarm element is capable of emitting the alarm signal in the case of the sensing component failing to detect the remote controller after the display panel is powered off. (FIG. 1)