A grounding mechanism is used for an electronic device. The electronic device includes a housing and a battery cover. The grounding mechanism typically includes an elastic member including a main portion, a first bent portion, a second bent portion and a clamping portion. The main portion is attached to the housing. The first bent portion and the second bent portion respectively extend from two opposite ends of the main portion. The clamping portion extends from one side of the main portion, and includes two arms for clamping one part of the battery cover.