In view of the roll-on/roll-off shipment mode of Self-Propelled Modular Transporter (SPMT), taken the 4-leg wellhead platform package in Penglai 19-3 Oilfield as an example, the adaptive design of SPMT shipment scheme is made in weighing arrangement, temporary support arrangement, transport lifting beam arrangement, and axis arrangement, the transport strength of the scheme is checked in package strength, transport lifting beam strength, and SPMT plate strength is checked, and the scheme is expanded. The scheme can provide reference for the shipment scheme design of subsequent wellhead platform packages.