The invention discloses a lid assembly. The surface lid is fixedly rotatably provided with a handle base, the inner lid is provided with an open crank which cooperates with the handle base and is in linkage with a steel lid, the surface lid, the inner lid and the steel lid are successively penetrated through an exhaust pipe communicating with the inner cavity of the cooker body; the surface lid is provided with a pressure limiting valve which cooperates with the outer port of the exhaust pipe. One end of the pressure limiting valve is provided with an exhaust ejector rod which is matched with the bottom of the pressure limiting valve, an exhaust lever is arranged between the exhaust ejector rod and the handle base, and a cam is arranged on the handle base in a linkage manner. The cam is provided with a flange cooperating with a force receiving end of the exhaust lever and the biasing end of the exhaust lever is located at the bottom of the exhaust ejector lever. The lid assembly enables simple and efficient remote venting of the electric pressure cooker. The invention also discloses an electric pressure cooker to which the lid assembly is applied.