The invention provides an oven hinge with an opening and closing assisting function. The oven hinge comprises a base and a swing arm, wherein the swing arm is hinged on the base through a connecting shaft, and the base is provided with a transmission elastic component and an assisting elastic component. The transmission elastic component comprises a connecting elastic piece and a transmission piece, and the connecting elastic piece is fixed in the base through a fixed pin and is matched with one end part of the transmission piece through a sliding shaft. The sliding shaft is connected with thebase in a sliding mode, and the other end part of the transmission piece is hinged with the lower end part of the swing arm through a fixed shaft. The assisting elastic component comprises an assisting frame, a supporting plate and an assisting elastic piece, the assisting frame is arranged at the upper end of the base, and the assisting elastic piece assists the supporting plate to do elastic reset movement relative to the assisting frame. A connecting wheel is arranged at one end head of the supporting plate, and a circular arc slot position is formed in the swing arm. The oven hinge can reinforce the tightness force of an oven door, can has assisting force to assist with opening and closing the door, and can enable the oven door to stay at any angle during opening. The oven hinge has the advantages of good applicability, high rotational stability and less noise.