The possible causes of dizziness, dizziness and vomiting in patients are mainly cardiovascular diseases, acute attacks of glaucoma, malignant vertigo diseases, etc., as follows: First, cardiovascular diseases: patients with hypertension, heart-related diseases, also known as cardiovascular diseases, such as a sharp increase in blood pressure or a sudden occurrence of malignant arrhythmia, which can lead to the pumping function of the heart being affected, resulting in cardiogenic cerebral insufficiency. The above cardiovascular diseases may cause dizziness, dizziness, nausea, vomiting and other symptoms, and it is recommended to consult the cardiology department for appropriate treatment. Second, acute attack of glaucoma: dizziness, blurred eyes, vomiting may be acute attack of glaucoma. In acute attack of glaucoma, there will be blurred vision, vision loss, eye distension, headache, nausea, vomiting and other symptoms, so it is necessary to go to the ophthalmology department in time to check the visual acuity, slit lamp, fundus and intraocular pressure, and give the treatment of lowering intraocular pressure in time after clear diagnosis. Thirdly, malignant vertigo diseases: when dizziness, blurred eyes, nausea and vomiting occur, malignant vertigo diseases should also be considered, such as acute cerebrovascular disease, cerebral blood supply deficiency, cerebral vascular spasm, cerebral infarction and cerebral hemorrhage, etc., which may lead to dizziness, blurred eyes and vomiting.