There are very many causes of dizziness and vomiting in patients, mainly seen in food poisoning, hypertension, long-term sleep deprivation, cardiovascular disease, as follows: 1. Food poisoning: Patients who eat unclean food will experience dizziness, lightheadedness, nausea, vomiting, and in some cases, abdominal pain, diarrhea, fever and other symptoms. 2. Hypertension: Some patients with hypertension, when their blood pressure is not well controlled, will cause dizziness, headache, nausea, vomiting, blood pressure measurement can be performed to clarify. 3, long-term sleep deprivation: when dizziness, vomiting, ask the patient whether there is dizziness, how is the sleep, some patients with long-term sleep deprivation, may appear dizziness, dizziness, accompanied by nausea, vomiting. 4, cardiovascular disease: also ask the patient dizziness, vomiting, whether there is panic, chest tightness, whether there is chest pain, some patients with coronary heart disease, acute In case of heart attack, the symptoms are not typical and may also manifest as dizziness and vomiting.