Small ischemic foci in the left basal ganglia region are difficult to recover completely, but they do not necessarily affect the patient’s function. Small ischemic foci in the left basal ganglia region are formed due to the necrosis of the brain tissue around the small blood vessels in the brain, which cannot be regenerated after the necrosis, and thus the small ischemic foci in the left basal ganglia region cannot be recovered. Small ischemic foci on the left side of the basal ganglia will not cause serious harm or discomfort to the patient, and generally do not require special treatment. Small ischemic foci in the left basal ganglia are often caused by hypertension, diabetes mellitus, hyperlipidemia, etc. Patients should pay attention to the control of hypertension, hyperglycemia and hyperlipidemia in order to prevent ischemic necrosis of brain tissues from recurring and new ischemic foci from forming. Patients with small ischemic foci in the left basal ganglia region should go to the hospital in time, complete the examination, clarify the cause of the disease and then actively treat it to prevent further progression of the disease.