A micro electronic plug connector includes an insulation housing, a first terminals, a second terminals, a metal shell and a connecting portion. The insulation housing includes a base member, a first tongue plate and a second tongue plate. The first and second tongue plates are extended from one side of the base member. The first and second terminals are disposed at the first and second tongue plates, respectively. The metal shell encloses the insulation housing and includes top and bottom lateral walls arranged with each other to form first and second frame windows. The bottom lateral wall includes a protruding portion, which includes a top plane adjacent to the top lateral wall, disposed between the first and second frame windows. An interval is defined between the top lateral wall and the top plane for disposing the connecting portion.