Dizziness for a month is mainly due to the following reasons: 1, young female patients with dizziness for a month, ask the patient about their usual sleep, whether they have difficulty falling asleep or waking up early, whether they have a reduced appetite or weight loss, whether they have a change in temperament or personality, such as excessive worry or anxiety, and can do the Anxiety and Depression Scale assessment to find out whether they have anxiety or depression. If the patient has been dizzy for a month, ask the patient if he has hypertension, diabetes mellitus, hyperlipidemia, and needs to consider cerebellar or brain stem infarction, which lasts for a long time, about 2-3 months, and needs to go to the hospital for cranial magnetic resonance examination. 3. The patient should be asked whether there is a history of hypertension, the patient will have dizziness and headache when the blood pressure rises, need to go to the blood pressure measurement to clarify.