Stroke causes localized damage to brain tissue that prevents it from functioning effectively. However, the human brain has a high degree of reorganization ability and plasticity, which means that the brain can allow other parts to exercise its original functions instead of the damaged brain tissue through various forms. And this reorganization and plasticity ability is closely related to the rehabilitation training. The earlier and more adequate the rehabilitation training, the more obvious the recovery of the damaged brain function. Early rehabilitation can promote the establishment of neural collateral circulation or neural axon synaptic connections, functional compensation and functional reorganization of the contralateral cerebral hemisphere. Moreover, early rehabilitation can reduce complications such as pneumonia and pressure sores and improve patients’ confidence in overcoming the disease. Therefore, early rehabilitation of acute stroke patients is important to reduce the degree of neurological deficits, improve self-care and motor functions, and prevent the occurrence of comorbidities.