Tongue biting in epileptic patients may be related to the sudden opening and closing of the mouth during a seizure, accompanied by impaired consciousness. Seizures can be characterized by a sudden loss of consciousness, generalized muscle spasms and convulsions, and a sudden opening of the mouth, followed by closing and clenching of the teeth, which can easily lead to tongue biting. Emergency treatment should be carried out at the onset of epilepsy, but it is not recommended to use a tongue depressor or cotton swab wrapped in gauze or towel to stuff into the patient’s mouth to avoid tooth loss and temporomandibular joint injury. If seizures recur they can cause irreversible damage to neurons in the brain. Previous history of epilepsy should follow the doctor’s instructions to adhere to oral antiepileptic drugs for a long time to avoid recurrent seizures. In case of seizures or even tongue biting, urgent medical attention should be sought.