There are many reasons for dizziness and vomiting. When dizziness is severe, it will stimulate the sympathetic nerves of the patient, which will easily lead to vomiting. In the case of vomiting stomach contents or bile, it is easy to show that the vomited contents are yellow, in which case the patient should be promptly examined and treated. The causes of dizziness may be serious diseases, such as posterior circulation ischemia or peripheral vertigo, such as Meniere’s disease, vestibular neuritis, benign paroxysmal positional vertigo, cerebellar and brain stem infarcts, which can cause severe dizziness and vomiting. However, the exact cause of the disease needs to be determined by a doctor’s examination.