The ipsilateral upper and lower extremities are tonically adducted, with more pronounced distal movements of the upper extremities than of the lower extremities. This ipsilateral extension of the upper limb to the side of origin of the epilepsy has been described as a “fencing posture”. This is a symptom of the clinical presentation of frontal lobe epilepsy. Prevention of frontal lobe epilepsy “fencing posture”: 1, senior primigravida, if the birth process is not expected to be smooth, should be early cesarean section, so as to avoid hypoxia, asphyxia, birth injuries caused by the baby later epilepsy, is the prevention of frontal lobe epilepsy “fencing posture”. The method is to prevent frontal lobe epilepsy by “fencing position”. 2, don’t be sexually unclean, sexually promiscuous, because sexually active people are the high-risk group of AIDS, and once the disease develops to cerebral AIDS, then the patient will also face the possibility of frontal lobe epilepsy. 3, avoid marriage with a family history of frontal lobe epilepsy, epileptic fiancé (wife) before marriage to do electroencephalogram examination, such as electroencephalogram topography have epileptic waves to avoid marriage, both sides have a family history of epilepsy should be avoided marriage. 4, the occurrence of common diseases in the elderly stroke, hypertensive encephalopathy, brain tumors, diabetes, uremia, often also lead to epilepsy, therefore, the prevention of frontal lobe epilepsy elderly can not be taken lightly. 5, do not eat some unclean food, if these foods contain schistosomiasis, pork tapeworm, then due to once caused by schistosomiasis or cerebral cysticercosis, will lead to epilepsy, which is also the prevention of frontal lobe epilepsy “fencing posture” method. 6, when found early symptoms of frontal lobe epilepsy, should consult the relevant doctors in a timely manner, and strive to cure epilepsy at an early stage, to prevent the condition from continuing to develop. The prevention of epilepsy is the most important of the several stages of the prevention of frontal lobe epilepsy.