The chewing gum contains gum, sticky, after swallowing is actually not harmful to the human body, generally will be discharged from the intestinal tract, will not harm the human body, so occasionally swallowed will not have an impact on the human body. The benefits of chewing gum is still quite a lot, it can remove harmful bacteria from the mouth, and then to keep the air fresh, but also to relieve the symptoms of gastroesophageal reflux, but also to relieve the tension, so eat chewing gum is still quite a lot of benefits. But if some people like to eat chewing gum, a day to eat several, or even each time you swallow, these oral sugar if stuck together, may cause obstruction of the intestinal tract or stomach wall, which affects health. So it is best to eat oral sugar do not swallow, of course, chewing gum, if occasionally accidentally swallowed, most of them are not related.