The invention provides a solar photovoltaic panel apparatus. The solar photovoltaic panel apparatus includes an underframe and a plurality of solar photovoltaic panels, wherein a setting device is arranged in the underframe; the setting device includes a vertical edge movable groove and a setting body; the vertical edge movable groove is arranged in the underframe and the end portion is toward the top; the setting body is movably arranged in the vertical edge movable groove; a midpoint groove, a movable groove and a vertical edge midpoint groove are formed in the setting body; the movable groove is formed at the outside of the midpoint groove; the vertical edge midpoint groove is formed below the midpoint groove; a bolt joint pipe barrel is operably arranged in the midpoint groove through an operating bearing; two ends of the bolt joint pipe barrel are each provided with an inner bolt joint hole; the inner bolt joint hole is provided with a bolt joint shaft through screw thread cooperation; a movable arm is movably arranged in the movable groove; the inner side end of the movable arm is fixedly connected with the bolt joint shaft; the outer side end of the movable arm is provided with a first bevel surface; and the back of the first bevel surface is operably provided with a rotating wheel. The solar photovoltaic panel apparatus has the advantages of being simple in structure, being convenient to use, being stable in operation, and being high safety.