After swallowing the battery, children should take the following measures: 1, if the battery swallowed after the symptoms of breathing difficulties, coughing, etc., may be the battery into the trachea to form asphyxiation phenomenon, should immediately go to the hospital for treatment, at the scene can also make the child prone position so that the head down, pat the back to try to discharge the battery. 2, swallowed battery if nausea, vomiting, swallowing difficulties, it is possible that the battery stuck in the throat or esophagus, should immediately go to the hospital for treatment, in the hospital to take certain means should be able to take out the battery. 3, after swallowing a relatively small button battery if there is no abnormal reaction can also be observed at home, if the battery can be found in the feces within 1-3 days there is no major problem, if 1-3 days in the feces can not find the battery, or to be brought to the hospital for examination and treatment.