If the fever remains low after a high fever convulsion, it is considered that the cause of the fever has not been removed. Physical cooling can be given, and at the same time, corresponding treatment should be carried out according to the cause of the disease. 1. After the high fever convulsion has been low fever, can be physical cooling, such as forehead cold compress, warm water bath, etc., but also can be appropriate to drink more water, replenish the body water, promote the water metabolism, through sweating to achieve the role of fever. 2. In the physical cooling at the same time, to actively find the cause of fever, convulsions, and for the cause of the corresponding treatment, so as to achieve the effect of complete control of low fever. After the occurrence of high fever and convulsions, it is necessary to go to the hospital in time, under the guidance of the physician to carry out targeted treatment.