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以地球的圈层结构和质量分布为前提，可推出固态内核不能稳定平衡于球心位置的结论；以内核对球心位置的偏移为前提，可推出液态外核中热对流不均的结论．以这两点为基础，可以建立一个简约然而自洽的全球运动模型，即：内核偏移引起外核中热对流结构不均一特定部位的地幔柱因差异活化而上升→慢柱上升引起岩石圈新生和撕裂→裂解的板块漂移并会聚于新的位置，其质量导致内核重新向这一方向偏移→引起新的对流不均．由此循环往复，形成一种确定和周期性的运动．它所具有的非线性特征，使地球运动的机制简单而行为复杂．地外因素可以暂时干扰或打断这一运动，但却不能改变它的永久规律．
Based on the earth’s ring structure and mass distribution, it can be concluded that the solid core can not be stably balanced with the center of the sphere. Based on the assumption that the inner core shifts the center of the sphere, it can be concluded that the thermal convection is uneven in the liquid outer core. Based on these two points, a simple but self-consistent global motion model can be established, namely: the core offset causes the heterogeneous thermal convection structure in the outer core. The mantle plume in a particular part rises due to differential activation → the slow column rises causing the lithosphere Renaissance and tearing → The cracked plate drifts and converges in a new position, the mass of which causes the core to migrate backwards in this direction → causing new convection unevenness. This cycle of reciprocation, the formation of a deterministic and periodic movement. Its non-linear characteristics make the mechanism of earth’s movement simple and complex. Extraterrestrial elements can temporarily disturb or interrupt the movement, but do not change its permanent law.