of the front leg 71 at its approximately middle position thereof by so the entire chair 1 o is sustained by the pedestal 7 referring to fig3 a partial three dimensional exploded view of the branched guide yoke 74 the branched guide yoke 74 has a straight supporting plate 741 whose one end is bent to form a u shaped fixing base 742 for fastening the seat 2 which is made of metallic tubes while the other end of the supporting plate 741 is bent to form a u2229 inverse u shaped fixing base 743 for fixing to a hinge block 744 whose one side is attached to a c shaped fixing base 745 for conjoined with the rear leg 72 besides the lower portion of the supporting plate 741 is fastened to the connecting rod 75 referring back to fig1 the fabric 8 is stretched over the back 1 the seat 2 and the footrest 4 and fastened thereto with a plurality of resilient threads in the present invention the easychair 10 is foldable flatly or relevantly developed for the user to lie down by articulatory motion of the articulations 22 between the back 1 and the supporting rods the pivots 23 between the supporting rods 3 and the footrest 4 the branch yokes 24 between the footrest 4 and the seat 2 and the articulations 21 between the back 1 and the seat 2 hence as shown in fig4 as the back 1 is tilted backward the seat 2 is forced to displace forward by the motion of the articulations 21 and the footrest 4 is tilted upward nearly horizontally such that the easychair.