There are many causes of dizziness and insomnia, mostly related to mental system diseases, such as cerebral neurasthenia, phytodysfunction, endocrine disorders, and cerebral blood supply deficiency. Brain neurasthenia may be related to brain overuse, mental tension, excessive stress, plant nerve dysfunction is mainly because the human body under certain external factors, their own regulation can not meet the needs of the body and cause a series of syndromes. The most common endocrine disorder is menopausal syndrome, which causes insomnia, dreaminess, dizziness and other symptoms due to abnormal hormone levels, and dizziness and insomnia due to lack of blood supply to the brain. When dizziness and insomnia occur frequently, the above causes should be investigated, brain vascular and endocrine hormone examinations should be conducted, and treatment should be carried out for the causes after the diagnosis is clear.