Automatic folding umbrella

The autoamtic folding umbrella includes one sectional telescopic middle bar, one upper beehive fixed to the middle bar, one elevating lowr beehive, connected to the middle bar, one handlebar fixed tothe lower end of the middle bar, one control switch set inside the handlebar, one elastic element for drawing the middle bar in, one numbrella rib assembly of several ribs and one umbrella cover. When the umbrella is to be folded, depressing the control switch can release the location state of the lower beehive, the lower beehive is lowered by the elastic contraction of the elastic element, the middle bar sections are descent to fold and the umbrella ribs and the umbrella cover are drawn into fold. Thus, the umbrella is drawn in automatically by single hand.