Provided is a security protection device fault alarm controller, and is used for alarm automatic control of a remote vision security protection system. A circuit board is provided with a power indication lamp, alarm signal lamps, and keys. A single-chip microcomputer system is connected with a power module, a key circuit, and display and control devices. The control line of each display and control device is connected in parallel with an input end of an external hard disk video. The controller can control alarm functions of the external hard disk video as needed, displays state indications of fault points of an external infrared device, and shields infrared radiation and alarm signals of other alarm devices, so that maintenance personnel can find out the point which goes wrong instantly when arriving at the field, and the maintenance personnel maintain and process the faults in time. The controller overcomes a defect of disturbing residents. After processing is completed, an alarm field monitoring device is recovered, and reliability of system operation is improved.