Children’s forehead hit a bag is mostly a hematoma under the scalp, the early general use of ice, later hot compresses, if the symptoms are serious, need to consult a doctor in time to check, with the doctor to take surgical treatment and so on. 1. Cold and hot compresses: children’s forehead hit a bag can be taken within 72 hours of local ice packs, can effectively shrink blood vessels, reduce the symptoms of swelling, but also can reduce bleeding. After 72 hours, you can take local hot compresses, can promote blood circulation, thus promoting the swelling. 2. Timely medical treatment: If children hit the forehead after serious discomfort symptoms, such as nausea, vomiting, confusion, etc., it is likely to be a serious concussion or skull fracture, need to seek medical attention in a timely manner, improve the relevant examination, a clear diagnosis and then give symptomatic treatment. In daily life, we should pay attention to avoid children bumping. If a child’s forehead hit a bag must pay attention to observation, if necessary, timely to the hospital, cooperate with the doctor treatment, to avoid delay in treatment.