Dizziness is prevented in different ways according to different causes, as follows: 1, intracerebral lesions: such as cerebral ischemia and infarction caused by cerebrovascular disease, prevented by improving the insufficient cerebral blood supply; 2, ear lesions: such as vestibular lesions caused by dizziness, can be treated for ear diseases, to prevent the occurrence of dizziness; 3, control of blood pressure: people with low blood pressure are advised to pay attention to nutrition and a balanced diet. Supplementation of foods with high iron content, but also through Chinese medicine to improve blood pressure, to avoid repeated episodes of dizziness; 4, heart disease: for arrhythmia and other causes of insufficient blood supply for symptomatic treatment.