For food preservation card accidentally eaten, because the preservation card composition is mostly alcohol and paper, a small amount of accidentally eaten drink more water to observe can be, stuck in the throat or scratched esophagus to seek medical attention in time to take out. Now placed in the bread and other food to play a dry role in preserving the freshness of the preservation of the card’s main ingredient is mostly alcohol hard paper, its composition is safer and does not contain strong acids and alkalis and other corrosive agents, generally eaten after drinking more water to observe a certain period of time without any other abdominal pain and other discomforts do not have to be special treatment. In some extreme cases, for example, due to the hard texture of the fresh card children and adults may be forced to swallow the card in the throat or downward scratching the esophagus and other tissues, at this time, personal pain and discomfort will be very obvious, it is recommended to seek medical attention to take out in a timely manner to avoid serious injury. If the food preservation card also contains other desiccant components, the need for timely consultation in the hospital, if necessary, need emergency gastric lavage treatment.