Vomiting caused by plateau reaction can be relieved by taking certain medications. If the patient enters and leaves the plateau area, there are dizziness, headache, nausea, vomiting, usually due to lack of oxygen, at this time should be given oxygen therapy, such as giving the patient oxygen inhalation, etc., can effectively relieve the vomiting. In addition, the patient should also be given to reduce pulmonary artery pressure, at this time can be given aminophylline for drip, can also be given mannitol for intravenous injection, to play the effect of dehydration, lowering cranial pressure, relieve the role of vomiting. If the patient has persistent vomiting, glucocorticoids can also be applied to intravenous drip, in addition, the patient can also be injected intramuscular 654-2, or nifedipine for oral administration, these drugs can effectively relieve nausea, vomiting.