Abstract: The present invention discloses a wireless electronic menu device, which comprises a menu body and a menu base, wherein a plurality of menus is placed on the menu body; a photo-sensor is used to automatically detect the menu the customer is reading; an induction stylus is pointed to the menu and emits a signal to indicate the coordinates of the position it is pointed to; the menu body collects the related data and transfers the data to the menu base with a wired communication device or a wireless communication device; the menu base retrieves the data corresponding to the coordinates, such as voice, audio, text, image and video data, from its storage device or an external storage device; the menu base presents the multimedia data to aid the customers to acquire meal information and order meals. The present invention also discloses an ordering system containing the abovementioned wireless electronic menu device.