Disclosed is a multifunctional folding bench, comprising a foldable bench seat and a bench cap connected to the bench seat, wherein at least one main baffle plate is mounted in the bench seat and is in an inserted connection with a plurality of auxiliary baffle plates, and due to the inserted connection of the main baffle plates and the auxiliary baffle plates, a plurality of storing cavities are separated in the bench seat. The folding bench realizes the separation of the internal space of the bench seat by the inserted connection of the main baffle plates and the auxiliary baffle plates, and male connection of the buckles and female connection buckle are used so that the connections between the main baffle plate, the auxiliary baffle plates and the bench seat are fixing and reliable, and the positioning is accurate. The folding bench is simple in structure, is convenient to use, to carry and store, and has a storing function.