The utility model provides a notice board. The notice board comprises a base plate made of insulting materials, an identification portion arranged on a first face plate of the base plate, and hooks arranged on the base plate. The notice board comprises the insulating base plate and the hooks, and therefore the notice board can be suitable for being placed on various devices and circuits of transformer substations, and the safety of the devices and the circuits is ensured; the identification portion is used for recording items which should be noticed by patrolling personnel, wherein the items include but are not limited to the names of the devices or the circuits, information of defects or faults, recording dates, recording personnel and the like, and therefore a prompting effect is achieved for the patrolling personnel, the patrolling personnel can be prevented from leaving out the devices or the circuits which need to be monitored in a focused mode, and it is ensured that the transformer substations safely and normally run.