Provided is an FPC, including a first row of gold fingers and a second row of gold fingers disposed on a same layer, and multiple first connection lines. The first row of gold fingers includes multiple first gold fingers extending in a first direction and arranged in a second direction. The second row of gold fingers includes multiple second gold fingers extending in the first direction and arranged in the second direction. The multiple first connection lines are disposed in a different layer from the second row of gold fingers, electrically connected to the multiple first gold fingers, and insulated from the multiple second gold fingers and extend to an area where the second row of gold fingers is located. The first connection line includes a first wire and a second wire. The first wire includes a first portion, a second portion and a third portion connected in sequence.