Ischemic foci generally refer to ischemic foci in the brain, and by affecting the tongue, we generally mean affecting the movement of the tongue muscles. Whether an ischemic focus affects the tongue depends on the location and size of the lesion. Ischemic foci of the brain are usually reported as a result of imaging tests that suggest possible ischemia of the brain tissue. Ischemic foci in the brain are caused by ischemia and necrosis of the microvessels in the brain, resulting in scarring left by tissue lesions, which are often detected only after MRI and may not be noticeable. However, if it affects functional areas of the brain, it causes symptoms of corresponding neurological deficits. For example, paralysis of the tongue muscles, or speech disorders, can affect the tongue. This includes dysarthria and aphasia, with diverse clinical manifestations, such as dysarthria, slurred bites, limited expression, and poor speech. Cerebral ischemic foci suggests ischemia of brain tissues, and it is recommended to seek medical treatment as early as possible, improve relevant examinations under the guidance of professional physicians, and actively search for risk factors for medical intervention.