The basic information and traditional technology of construction and shipment in steel pile of ultra-large deepwater jacket are introduced. The new technology of construction and shipment in steel pile of ultra-large deepwater jacket is expounded in detail in steel pile section prefabrication, steel pile section integral lengthening, steel pile packaging, and steel pile shipment. The new technology can reduce the need for operation line capacity upgrading and foundation modification of steel pile of ultra-large deepwater jacket, and greatly improve the lengthening efficiency and shipment efficiency.