The baby suddenly appeared convulsions first need to observe whether there is no fever, due to fever and caused by convulsions to consider is the manifestation of heat convulsions, generally in the fever of 39 degrees or more is prone to this situation, the need to give rapid cooling, can be through the cooling patch or wet towel cold compresses can also be carried out alcohol baths, or through the ibuprofen and other medicines to lower the temperature. If the convulsions are caused by encephalitis, you need to go to the hospital in time to see a doctor, through the cerebral fluid and other related examinations to clarify the specific causative organisms, and select the appropriate sensitive antibiotics to carry out standardized anti-infective treatment; there may also be seizures caused by epileptic seizures, which can be primary or secondary to cranial brain tumors, traumas, and other diseases, you can treat the cause of the cause of the disease and use carbamazepine, valproate, and other medications to control the cause of the seizure.