The invention discloses an electromagnetic door locking device, which is simple in structure and has a plurality of functions. A substrate is connected with a shell; an operation board is arranged in the substrate; the right end of an electromagnetic coil piston is connected to the operation board in an embedding way; a positioning pin which corresponds to a positioning/resetting groove table of the operation table is arranged in the shell; the right part of the operation board is provided with a stop pin; the lower part of the operation board is connected with a shifting block; a terminal I, a terminal II and a terminal III are arranged in the substrate; the terminal II is connected with a movable reed I and a movable reed II; the movable reed I corresponds to the shifting block of the operation board; the movable reed I corresponds to the terminal I; the movable reed II corresponds to a coil terminal I; the terminal III is electrically connected with a coil terminal II; the substrate is provided with a bolt hole; a locking body is embedded into the shell; a U-shaped recess is formed in the front end of the locking body; a bolt hook body of a bolt is arranged above the U-shaped recess; a connecting plate is arranged on the front part in the shell; an oblique plane convex top is arranged at the right end of the connecting plate; the left end of the connecting plate is connected with an oblique plane boss. The electromagnetic door locking device is taken as a door lock of a washing machine.