Dizziness may be caused by cerebrovascular diseases, such as cerebral arteriosclerosis, etc., and it may also be caused by physiological factors such as overwork, emotional overstrain, or upper respiratory tract infection. Dizziness is a common brain functional disorder, which is one of the common clinical symptoms. There are many reasons for dizziness, which may be caused by cerebrovascular diseases, such as cerebral arteriosclerosis. Patients will feel dizzy, accompanied by insomnia, tinnitus, limb numbness and other symptoms. The cause of dizziness is related to the damage of cerebral artery wall intima. But in addition to cerebrovascular disease, dizziness may also be caused by physiological factors. If you are overworked due to work or study for a long time, or your mood fluctuates greatly, dizziness and other discomfort may be caused. In addition, common diseases such as upper respiratory tract infection can also lead to dizziness, headache and other discomfort symptoms. Dizziness may not be caused by cerebrovascular disease. It is recommended that the patient seek medical advice in time to make a definite diagnosis. More rest is needed in daily life to avoid overwork, stay up late less and adjust bad living habits.