1. The equipment and technique developments of the US amphibious operation have been varied from old generation while worldwide modern technologies are progressing; these also urged the US to renew their doctrines of planning process so as to meet future challenges. Under the guidance of offensive strategy with the accurate equipments, the military planning processes have been improved and developed as well. 2. The US joint amphibious operations are one type of joint operation which possess the characteristics of rapid responding to hostile move, the primary missions and the conditions of ROCMC are quite differ from USMC in between, that cause the offensive strategy of traditional amphibious operations(Primary Types) of ROCMC is no longer exist. Accordance with the general concept of national defense strategy, beside establishing advanced weapons and equipments system and to enhance personnel training and education, the factors of success of knowing how to integrate the efforts of services for joint amphibious task forces in between are strongly rely on the planning process which imbedded with those real operational environments of joint amphibious operation.