Starter and integrated electromagnetic switch thereof

The invention relates to a starter and an integrated electromagnetic switch thereof, the starter comprises the integrated electromagnetic switch, the integrated electromagnetic switch comprises an electromagnetic switch, the electromagnetic switch comprises a switch shell, a switch coil, a switch plunger and a mandrel, the switch coil, the switch plunger and the mandrel are arranged in the switch shell, and the tail ends of the switch plunger and the mandrel are connected with a switch moving contact; the switch supporting cover is connected with the switch shell, the switch supporting cover comprises a cover body, a relay mounting part, a terminal mounting part and a plurality of lug plates, the relay mounting part and the terminal mounting part are arranged on the cover body, the lug plates are arranged in the cover body, and the terminal mounting part is arranged corresponding to the switch moving contact and is provided with a storage battery positive electrode connecting terminal and a motor positive ele