Slowed blood flow in the bilateral anterior cerebral arteries is a finding during imaging such as transcranial Doppler color ultrasound, which suggests the possible presence of cerebral atherosclerosis, decreased cardiac function, and insufficient blood volume, among other factors affecting the blood supply to the brain. During a transcranial Doppler ultrasound examination, the blood flow rate of the large intracranial arteries such as the anterior cerebral arteries can be displayed. If the blood flow rate in the anterior cerebral arteries is slowed down bilaterally, it may be due to the presence of cerebrovascular diseases such as cerebral atherosclerosis, or to the presence of diseases of the internal system such as decreased cardiac function and insufficient blood volume. The slowing down of blood flow in the anterior cerebral arteries may affect the brain tissues it supplies blood to, predisposing to symptoms such as dizziness and lightheadedness, and may even induce cerebral infarction. When the slowing down of blood flow in bilateral anterior cerebral arteries is detected, it is recommended that the patient should consult the doctor in time, and further improve the relevant examinations under the guidance of the doctor, in order to clarify the cause of the slowing down of blood flow in anterior cerebral arteries, and to give standardized treatment.