There are several reasons for children’s convulsions and double vision: 1. High fever convulsions, general high fever caused by cold, upper respiratory tract infection, etc., which leads to abnormal brain cell activity and abnormal discharge will lead to general convulsions, closed teeth, foaming at the mouth, double vision and other symptoms. 2. Seizures, some primary or brain injury after causing brain sequelae, which leads to epilepsy The symptoms of convulsions, double vision and foaming at the mouth may occur. 3, some brain diseases, commonly brain tumors compressing brain tissue or stimulating brain cells, may cause the above symptoms. 4, viral encephalitis may also cause convulsions and double vision in children.