The invention discloses an insulator bracket. The insulator bracket comprises a lower bracket body, an upper bracket body, stand columns and storage devices. The lower bracket body comprises a lower frame and lower vertical plates, the upper bracket body comprises an upper frame and upper vertical plates, the stand columns are arranged at four corner ends of the lower vertical plates and four corner ends of the upper vertical plates, and the upper vertical plates and the lower vertical plates are provided with through sliding slots; the storage devices comprise supporting plates and arc plates, the arc plates and the supporting plates are connected through connection rods, the multiple arc plates are connected to form a placement plate, the two ends of the placement plate and the two ends of the supporting plates are provided with guide wheels, and the guide wheels are arranged in the sliding slots; the arc plates are provided with matched plates, the matched plates comprise semi-circular arc plates and suspension loops, the suspension loops are arranged on the upper portions of the semi-circular arc plates, rotary rods are arranged on the upper portions of the suspension loops, the tail ends of the rotary rods are provided with clamp hoops, the suspension loops are connected with the upper ends of the arc plates, and composite insulator strings of different types can be stored, the composite insulator strings can be stored and taken conveniently, and an auxiliary function of hoisting composite insulators is achieved.