Multifunctional office chair

The utility model relates to the field of office appliances, in particular to a multifunctional office chair. The multifunctional office chair provided by the utility model has the beneficial effects that the waist of a user can be independently supported, so that the purpose of protecting the waist is achieved. Comprising an office chair main body mechanism, a fixing device, a foot plate mechanism and an adjusting device, the adjusting device is connected to the office chair main body mechanism, the fixing device is connected to the foot plate mechanism, and the foot plate mechanism is connected to the office chair main body mechanism. As the further optimization of the technical scheme, the office chair main body mechanism comprises a chair main body, a first sliding chute, two second sliding chutes and springs, the first sliding chute is positioned on the left side of the middle part of the chair main body, and the two second sliding chutes are respectively positioned at the front end and the rear end of t