Effect of Intermittent Enteral Feeding in Severe Stroke

Inclusion Criteria: 1. Age ≥18 years old 2. It was definitely diagnosed as acute stroke by clinical imaging. 3. Enteral nutrition program can be started within 72 hours of onset. 4. Baseline GCS≤12 or NIHSS≥11 5. There is nutritional risk (NRS 2002≥3), Wadian drinking water test≥ 3 or there is consciousnessdisorder,it is estimated that you need to receive nutritional support treatment for ≥7 days 6. Obtain informed consent Exclusion Criteria: 1. Before joining the group, he had received total parenteral nutrition treatment. 2. There are contraindications to enteral nutrition. 3. Unstable vital signs 4. Dementia or severe disability before onset (mRS≥3) 5. There are concomitant diseases that will interfere with outcome evaluation and/or follow-up. 6. Participating in other interventional clinical trials. 7. Other circumstances in which the study cannot be completed.