Glioma is a malignant tumor that originates in the skull and brain. The main clinical treatments for glioma include surgery, radiation therapy and chemotherapy. The common sequelae of glioma after radiotherapy are as follows: 1. headache, many patients will have severe headache, jet vomiting and optic nerve papillary edema after radiotherapy, which is due to cerebral edema and increased intracranial pressure caused by radiotherapy. 2. gastrointestinal reaction, manifested as nausea, vomiting, diarrhea, etc., especially nausea is the most common clinical manifestation. 3. Brain herniation is the most serious complication after glioma radiotherapy, which can be life-threatening. 4.