A handle mechanism of an automatic folding umbrella which comprises body edges two sides of which are installed with a first spring, respectively, and a guiding track, respectively; further, a penetrating hole being formed at the center of the body; a stop being inserted into the body from a lower side; a center thereof being installed with a stopping portion; a retaining piece being inserted into the body from a lower side thereof; and a center thereof being installed with a retainer; a lower cover covering the stop and the retaining piece to be in the body; a button being installed above and at two lateral walls of the body; an inner edge thereof being installed with a downward protruded press portion; a post being inserted into the penetrating hole of the body; a movable toggle being placed in the body; two sides of the movable toggle being protruded with bosses and being installed with a fourth spring; a folding block with an inverse L shape is formed between two extending pieces at the upper end of the movable toggle; and a fifth spring being installed between the movable toggle and the folding block. By the aforesaid structure, an automatic multiple folded umbrella occupying a less space is formed.