There are several contraindications to eating gum: First, women are not able to eat gum at special stages, such as after the birth of women’s dew is not drained, this stage is not eaten, women during menstruation is also not eaten. Second, the gastrointestinal tract has a serious infection can not eat gum, such as diarrhea, severe nausea, vomiting. Third, respiratory diseases and infections can not eat gum, such as acute upper respiratory tract infection, chronic bronchitis acute exacerbation period are not suitable. Fourth, eating gum is very important for food with some food can not eat with gum, like chili, pepper, pepper and garlic and other condiments, are not suitable to take with gum. Then there are alcoholic beverages and pickled products, as well as cola, Sprite, carbonated beverages, which contain strong acid, strong alkali ingredients are not suitable and pepper together with oral.