Office chair capable of reducing pressure on seat edge

The utility model provides a seat edge decompression office chair, and relates to the technical field of office chairs, the seat edge decompression office chair comprises a cushion assembly, the cushion assembly comprises a mounting bottom plate, the upper side of the mounting bottom plate is provided with an elastic net surface used for supporting a user, and the upper side of the mounting bottom plate is provided with a cushion; the elastic net face comprises a leg supporting area making contact with the legs of a user and a hip supporting area making contact with the hip of the user, a leg air bag is arranged on the lower side of the leg supporting area, the upper side and the lower side of the leg air bag are fixedly connected to the leg supporting area and the installation bottom plate respectively, and the leg air bag communicates with an exhaust pump assembly. A control piece for controlling the exhaust pump assembly along with deformation of the hip supporting area is arranged on the lower side of the