An optical module unlocking apparatus, comprising: a base, wherein the base is configured to install a circuit board, and a first connecting part is disposed on the base; a sliding member, wherein the sliding member is slidably disposed on the base along an insertion direction, and one end of the sliding member has an abutting part configured to abut against a spring plate of a cage; a driving piece, wherein the driving piece is rotatably connected to the base, the other end of the sliding member is connected to the driving piece, and the driving piece can rotate from a locked state to an unlocked state relative to the base under an action of external force, and drive the sliding member to move relative to the base along the insertion direction, so that the abutting part is separated from the spring plate; and a second connecting part is disposed on the driving piece; and an elastic piece, wherein the elastic piece is connected between the first connecting part and the second connecting part, and when the external force disappears, the driving piece can restore from the unlocked state to the locked state under an action of elastic force of the elastic piece; wherein the elastic piece comprises a spiral body, and a first supporting arm and a second supporting arm that are connected to two ends of the spiral body; and a rotating shaft is disposed on the base, the driving piece is rotatably connected to the rotating shaft, the spiral body is sleeved on the rotating shaft, the first supporting arm abuts against the first connecting part, and the second supporting arm abuts against the second connecting part; wherein the first connecting part comprises a protrusion disposed on the base, and the first supporting arm abuts against a first side surface of the protrusion; wherein the protrusion comprises a first segment and a second segment that are disposed at intervals along the insertion direction, and the second segment and the rotating shaft are located on a side that is of the first segment and that is close to the abutting part; and the first supporting arm is located between the first segment and the second segment, and a surface that is of the first segment and that faces the second segment forms the first side surface. a base, wherein the base is configured to install a circuit board, and a first connecting part is disposed on the base; a sliding member, wherein the sliding member is slidably disposed on the base along an insertion direction, and one end of the sliding member has an abutting part configured to abut against a spring plate of a cage; a driving piece, wherein the driving piece is rotatably connected to the base, the other end of the sliding member is connected to the driving piece, and the driving piece can rotate from a locked state to an unlocked state relative to the base under an action of external force, and drive the sliding member to move relative to the base along the insertion direction, so that the abutting part is separated from the spring plate; and a second connecting part is disposed on the driving piece; and an elastic piece, wherein the elastic piece is connected between the first connecting part and the second connecting part, and when the external force disappears, the driving piece can restore from the unlocked state to the locked state under an action of elastic force of the elastic piece; wherein the elastic piece comprises a spiral body, and a first supporting arm and a second supporting arm that are connected to two ends of the spiral body; and a rotating shaft is disposed on the base, the driving piece is rotatably connected to the rotating shaft, the spiral body is sleeved on the rotating shaft, the first supporting arm abuts against the first connecting part, and the second supporting arm abuts against the second connecting part; wherein the first connecting part comprises a protrusion disposed on the base, and the first supporting arm abuts against a first side surface of the protrusion; wherein the protrusion comprises a first segment and a second segment that are disposed at intervals along the insertion direction, and the second segment and the rotating shaft are located on a side that is of the first segment and that is close to the abutting part; and the first supporting arm is located between the first segment and the second segment, and a surface that is of the first segment and that faces the second segment forms the first side surface.