About 30%-40% of gliomas are combined with seizures. For some low-grade gliomas, seizures are often the main symptom of patients, especially those located in the temporal lobe and frontal lobe are more prone to seizures, and simple surgical removal of the tumor often does not completely relieve their seizures, and they still have seizures after surgery. In some patients, the tumor has not recurred for many years after surgery, but there exist recurrent seizures, which cause great impact on the patient’s work and life. Therefore, in addition to removing the tumor, the epileptic foci should be treated to reduce or eradicate the post-surgical seizures in patients with glioma combined with epilepsy. The methods: 1. Firstly, preoperative evaluation should be performed in epileptic patients, video EEG monitoring should be performed, and if seizures are more frequent, it is better to monitor the seizures. Based on the intermittent EEG discharges and seizure performance, the site of the epileptic foci and the relationship with the tumor should be determined, and whether the tumor and epileptic foci are located in functional areas. 2.Cortical EEG monitoring was performed during surgery, tumors were removed, enlarged resection was performed for some tumors, and epileptic foci were treated after tumor removal. 3. For some tumors and epileptic foci involving functional areas, intraoperative arousal or functional area cortical electrical stimulation is performed to determine the functional areas, and the epileptic foci are treated after determining the functional areas to maximize the resection of the foci with maximum protection of the functional areas.