There are many causes of dizziness, headache and head distension, which can be divided into the following aspects: 1. Related to the patient’s lack of sleep, exertion and mental tension, if the patient is a young person who often stays up late and works overtime will have dizziness, headache, head distension and other symptoms of cerebral nerve dysfunction. 2. If the patient is middle-aged or elderly and has risk factors for cerebrovascular disease, such as having hypertension, diabetes, hyperlipidemia, etc., resulting in The patient’s cerebral arteries become sclerosis, vessel wall thickening, and lumen narrowing, leaving the patient’s brain in a state of chronic ischemia and lack of oxygen. Patients with insufficient blood supply to the brain may also have dizziness, headache, and head swelling, which can be clarified by perfecting transcranial Doppler examination, and blood in a high-fat, high-viscosity state may also lead to the above symptoms.