There are many reasons for dizziness, weakness of limbs, and desire to vomit, which may be caused by weather, lack of oxygen, or physical discomfort, but some serious diseases cannot be excluded, and early hospital visits are required for examination. Specifically, the following: First, if the patient is suddenly dizzy, weakness of the limbs, wanting to vomit, also accompanied by impaired consciousness, to be considered acute cerebrovascular disease, such as cerebral hemorrhage, new onset of cerebral infarction. Second, if the patient’s dizziness is associated with a change in the position of the head, it should be considered to be caused by otoliths, which cause more intense dizziness and can cause weakness of the limbs and the desire to vomit. Thirdly, if there is persistent dizziness, weakness of limbs and vomiting and gradually aggravated, it may be caused by cerebral vasospasm or peripheral vertigo, such as Meniere’s disease and vestibular neuronitis, which must be checked and treated early.