A windshield wiper frame, wherein the windshield wiper frame comprises a main frame and two auxiliary frames, the main frame is in the shape of an arch, the main frame is of an elastic structure; and middle parts of the two auxiliary frames are movably connected to end parts at two ends of the main frame, respectively, characterized in that each auxiliary frame includes a retaining frame, and a middle part of the retaining frame is movably connected to a corresponding one of the end parts of the main frame; each end part of the main frame is movably connected to the middle part of the retaining frame through a buckle; wherein each end part of the main frame is formed with a buckle hole, and an underside of the middle part of the retaining frame is formed with an engaging groove; the buckle includes a buckle plate and a base; the base is formed with a first accommodating chamber having two end openings and an elastic plate above the first accommodating chamber, a bottom of the elastic plate is formed with an engaging block; the buckle plate cooperates with a bottom of the base to form a second accommodating chamber having two end openings, one side of the buckle plate is hingedly connected to the base, another side of the buckle plate is detachably connected to the base through a snap-fit structure, an engaging rib is formed on an inner surface of the buckle plate; each end part of the main frame is inserted through the first accommodating chamber and is in clearance fit with the first accommodation chamber, the engaging block of the elastic plate is engaged in the buckle hole of the main frame; the middle part of the retaining frame is inserted through the second accommodating chamber and is in clearance fit with the second accommodation chamber, and the engaging rib of the buckle plate is engaged in the engaging groove of the retaining frame. characterized in that each auxiliary frame includes a retaining frame, and a middle part of the retaining frame is movably connected to a corresponding one of the end parts of the main frame; each end part of the main frame is movably connected to the middle part of the retaining frame through a buckle; wherein each end part of the main frame is formed with a buckle hole, and an underside of the middle part of the retaining frame is formed with an engaging groove; the buckle includes a buckle plate and a base; the base is formed with a first accommodating chamber having two end openings and an elastic plate above the first accommodating chamber, a bottom of the elastic plate is formed with an engaging block; the buckle plate cooperates with a bottom of the base to form a second accommodating chamber having two end openings, one side of the buckle plate is hingedly connected to the base, another side of the buckle plate is detachably connected to the base through a snap-fit structure, an engaging rib is formed on an inner surface of the buckle plate; each end part of the main frame is inserted through the first accommodating chamber and is in clearance fit with the first accommodation chamber, the engaging block of the elastic plate is engaged in the buckle hole of the main frame; the middle part of the retaining frame is inserted through the second accommodating chamber and is in clearance fit with the second accommodation chamber, and the engaging rib of the buckle plate is engaged in the engaging groove of the retaining frame.