Foldable electric plug connector

A foldable electric plug connector is provided. The foldable electric plug connector includes an enclosure member having a concave storage confinement disposed thereon for storing a pair of external connection plugs, wherein the concave storage confinement includes an engaging opening formed on the lower portion thereof and two inserting openings formed on two opposite sides of the lower portion, a rotatable transverse rod, an engaging member extending outwardly from the enclosure member through the engaging opening for engaging with the rotatable transverse rod, an immobile connection member including a pair of internal connection pins respectively inserted into the inserting openings, and a foldable connection member including the pair of external connection plugs respectively pivotally connected to the internal connection pins, wherein the rotatable transverse rod is disposed between the two connecting points of the pair of internal connection pins and the pair of external connection plugs.