In general, the main danger of cephaloarterial trunk plaques is that they are prone to lead to cerebrovascular stenosis and stroke. The so-called cephalic trunk, also known as the innominate artery, emanates from the ascending aorta and runs obliquely to the upper right, dividing into the right subclavian artery and the right common carotid artery, which is one of the main blood vessels supplying the brain. Plaque is the result of the long-term accumulation of atherosclerosis, and plaque is the “time bomb” that leads to the above mentioned hazards. When arterial plaques in the trunk of the head and arms are large and do not fall off, the blood supply to the brain is insufficient due to the narrowing of the blood vessels, resulting in damage to the brain function of the patient in the form of loss of memory, slowed reaction time, and reduced comprehension. Driven by the heart pumping blood, the unstable plaque will be dislodged due to the continuous impact of blood flow on the vessel wall, and since the head-arm trunk is one of the blood vessels supplying the brain, the dislodged plaque will flow to the cerebral blood vessels, resulting in the blockage of blood vessels in the brain causing strokes, and the corresponding symptoms of strokes will appear, such as hemiparesis, aphasia, and asymmetry of the limb strength. It is recommended that patients with the above conditions should go to regular hospitals for timely consultation and standardized treatment under the guidance of doctors to avoid delaying their conditions.