A driving mechanism is provided, including a fixed part, a movable part connected to the fixed part, a first connecting member, and a first wire. The first connecting member is hinged to the fixed part and connected to the movable part. The first wire has SMA material and is connected between the fixed part and the first connecting member. When the first wire contracts in length, the first connecting member rotates relative to the fixed part, and the movable part is driven to move relative to the fixed part.