The invention discloses a shredding self-protection monitoring management and control system of a shredder. According to the system, a waste paper input monitoring unit is connected with a device protection supervision system through a sensing monitoring and data transmission module, a shredding motor monitoring unit is connected with the device protection supervision system through an information monitoring and data conversion transmission module, the device protection supervision system is connected with a shredding motor regulation and control unit through a data regulation and control and electric power control module, and the device protection supervision system is connected with a load alarm prompting unit through a signal analysis and driving control module. According to the system, thickness dimension monitoring operation is performed before crushing operation of waste paper through the waste paper input monitoring unit so that overload operation of a shredding motor due to excess waste paper into the shredder is prevented; and through the shredding motor monitoring unit and the shredding motor regulation and control unit, the performance of the shredding motor in a shredding process is analyzed and controlled, good waste paper crushing operation is formed, the service lifetime of the shredder can be prolonged, and the maintenance cost is reduced.