Diffuse midline glioma is a high-grade brain glioma that is malignant and serious. Gliomas are tumors originating from glial cells and are the most common primary intracranial tumors. Diffuse midline glioma mainly develops in the ventricles, thalamus, brainstem and other places, with infiltrative growth, is a kind of high-grade brain glioma, and the situation is more serious. Patients with diffuse midline glioma will have symptoms such as headache, nausea, vomiting, epilepsy, blurred vision, etc., and some of them will be accompanied by neurological dysfunction and memory loss. Clinically, surgical resection of the tumor is the mainstay, and postoperative radiotherapy needs to be combined. However, in general, gliomas are difficult to be cured radically, easy to recur after surgery, and have a relatively poor prognosis. If you suffer from diffuse midline glioma, you should go to regular hospitals in time and cooperate with doctors to actively carry out the treatment, so as to avoid delaying the condition and causing serious consequences.