The invention provides a sealed electric frying pan which is composed of the electric frying pan, a pan cover, a fixed casing, a pan swinging rack, a swing motor, an electric heating element and a controller, wherein, the electric frying pan is arranged on the pan swinging rack which is driven to swing by means of a forward rotation angle and a backward rotation angle of the swing motor, so the dish in the electric frying pan can be heated while swinging; and the pan cover is provided with an oil smoke filter, a safety valve, an oil charger and a feeder, the pan cover is further provided witha pan cover control line connected with a control board, the oil smoke filter can help absorb oil smoke generated in the process of frying dishes, and the oil charger and the feeder can help add vegetable oil and seasonings to the sealed pan conveniently. In the invention, the dish is fried hermetically in the sealed electric frying pan, thus shortening the time for energy consumption while frying dishes and saving energy; meanwhile, no oil smoke is discharged to indoor air while frying dishes, thus being beneficial to environmental protection.