The causes of dizziness and vomiting are very many, mainly seen in food poisoning, hypertension, long-term sleep deprivation, cardiovascular disease, as follows: 1, food poisoning: patients eat unclean food, there will be dizziness, lightheadedness, nausea, vomiting, some also accompanied by abdominal pain, diarrhea, fever and other symptoms. 2.High blood pressure: Some patients with high blood pressure will cause dizziness, headache, nausea and vomiting when their blood pressure is not well controlled, which can be clarified by blood pressure measurement. 3, long-term sleep deprivation: dizziness, vomiting, ask the patient whether there is dizziness, how is the sleep situation, some long-term sleep deprivation of patients, there may be dizziness, dizziness, accompanied by nausea, vomiting. 4, cardiovascular disease: but also ask the patient dizziness, vomiting, there is no panic, chest tightness, there is no chest pain, some patients have coronary heart disease, acute heart attack, the symptoms are not typical, but also will be manifested as dizziness, vomiting.