A loudspeaker-purpose vibrating cone, wherein the loudspeaker-purpose vibrating cone comprises a vibrating diaphragm arranged to be connected with a voice coil of the loudspeaker at a connecting position, the vibrating diaphragm comprises a first portion adjacent to the connecting position and a second portion far away from the connecting position, and the strength of the first portion of the vibrating diaphragm is greater than the strength of the second portion of the vibrating diaphragm, wherein the vibrating diaphragm comprises a first diaphragm sheet and a second diaphragm sheet, the first diaphragm sheet comprises a first diaphragm sheet portion and a second diaphragm sheet portion, the first diaphragm sheet portion forms the second portion of the vibrating diaphragm, and the second diaphragm sheet is connected to the second diaphragm sheet portion to form the first portion of the vibrating diaphragm together with the second diaphragm sheet portion, wherein the vibrating diaphragm is arranged to be connected with the voice coil of the loudspeaker at a radially inner end of the vibrating diaphragm, the first portion of the vibrating diaphragm is a radially inner portion of the vibrating diaphragm, and the second portion of the vibrating diaphragm is a radially outer portion of the vibrating diaphragm, wherein the radial size of the first portion of the vibrating diaphragm is smaller than half of the radial size of the entire vibrating diaphragm, and the radial size of the second portion of the vibrating diaphragm is greater than half of the radial size of the entire vibrating diaphragm, and wherein the second diaphragm sheet is bonded to the second diaphragm sheet portion of the first diaphragm sheet, characterized in that the vibrating diaphragm, the first diaphragm sheet, and the second diaphragm sheet are all in a truncated cone shape, and wherein the second diaphragm sheet portion of the first diaphragm sheet is an axially inner portion of the vibrating diaphragm and the second diaphragm sheet is an axially outer portion of the vibrating diaphragm. wherein the loudspeaker-purpose vibrating cone comprises a vibrating diaphragm arranged to be connected with a voice coil of the loudspeaker at a connecting position, the vibrating diaphragm comprises a first portion adjacent to the connecting position and a second portion far away from the connecting position, and the strength of the first portion of the vibrating diaphragm is greater than the strength of the second portion of the vibrating diaphragm, wherein the vibrating diaphragm comprises a first diaphragm sheet and a second diaphragm sheet, the first diaphragm sheet comprises a first diaphragm sheet portion and a second diaphragm sheet portion, the first diaphragm sheet portion forms the second portion of the vibrating diaphragm, and the second diaphragm sheet is connected to the second diaphragm sheet portion to form the first portion of the vibrating diaphragm together with the second diaphragm sheet portion, wherein the vibrating diaphragm is arranged to be connected with the voice coil of the loudspeaker at a radially inner end of the vibrating diaphragm, the first portion of the vibrating diaphragm is a radially inner portion of the vibrating diaphragm, and the second portion of the vibrating diaphragm is a radially outer portion of the vibrating diaphragm, wherein the radial size of the first portion of the vibrating diaphragm is smaller than half of the radial size of the entire vibrating diaphragm, and the radial size of the second portion of the vibrating diaphragm is greater than half of the radial size of the entire vibrating diaphragm, and wherein the second diaphragm sheet is bonded to the second diaphragm sheet portion of the first diaphragm sheet, characterized in that the vibrating diaphragm, the first diaphragm sheet, and the second diaphragm sheet are all in a truncated cone shape, and wherein the second diaphragm sheet portion of the first diaphragm sheet is an axially inner portion of the vibrating diaphragm and the second diaphragm sheet is an axially outer portion of the vibrating diaphragm.