It is an object of the present invention to provide a chewing gum, by which an effect of preventing periodontal disease is obtained through mastication without performance required for a chewing gum being impaired, such as taste, appearance, and physical properties and storage stability as a product. A chewing gum containing Eucalyptus extract of the present invention is characterized by containing at least one kind of macrocarpal A, macrocarpal B, and macrocarpal C, contents of the macrocarpal A, the macrocarpal B, and the macrocarpal C being 0.001 to 0.0045% by weight, 0.003 to 0.0045% by weight, and 0.0015 to 0.0045% by weight with respect to a total weight of the chewing gum, respectively.
