Whether or not a patient who develops a soft cerebellar focus after surgery for an acoustic neuroma needs to be treated needs to be analyzed specifically based on the size of the soft focus and the clinical symptoms. Cerebellar soft foci is an imaging description that shows a low-density change on imaging. The appearance of soft foci on the left side of the cerebellum may be due to rebleeding or cerebral edema after the auditory nerve surgery, which caused damage to the brain tissue. After the cerebral edema or cerebral hemorrhage subsides, glial cell compensatory hyperplasia may lead to the formation of soft foci. For small soft foci, patients usually have no obvious symptoms and generally do not need treatment. Large soft foci may cause dizziness, limb balance disorders and other symptoms, which require timely medical treatment. Patients with cerebellar softening foci are advised to go to the hospital in time if they feel unwell, so as not to delay their condition.