A rotatable plug for connecting to an electronic receptacle is disclosed. The rotatable plug applied in an electronic equipment includes a plug for plugging into the electronic receptacle and fixing and electrically connecting to at least two conductive wires, a rotary case for disposing the plug, a top cover having a circle opening and an annular frame, wherein the annular frame is disposed around the opening for accommodating the rotary case therein to rotate and the plug is carried to rotate when the rotary case is rotated, and a restricting mechanism for limiting the rotary case to rotate in a particular rotating range.