One year old baby forehead fell a big bag can be cold compress, hot compress, do head CT examination, etc., the specific analysis is as follows: 1. Cold compress: baby forehead fell a big bag should first cold compress, you can use a towel wrapped in ice, to prevent frostbite, through the cold compress to reduce the head edema, to prevent the hematoma of the scope of the hematoma becomes larger. 2. Hot compresses: generally 72 hours after the cold compresses, you can apply hot compresses to help blood circulation, which is conducive to swelling. 3. do head CT examination: if the baby in the fall after the mental state is not good, drowsiness, vomiting, convulsions, etc., should go to the hospital in time to do head CT examination, to prevent intracranial hemorrhage. It is recommended that a one-year-old baby should go to the hospital in time to check the forehead after falling a big bag, and follow the doctor’s advice.