Provided are: a lactic acid bacteria containing composition having on the cell surfaces thereof a polypeptide derived from the E7 protein of human papilloma virus (HPV) wherein the amount of polypeptide derived from the E7 protein of HPV contained in the lactic acid bacteria containing composition is 0.03 µg 1.0 µg per 1 — 10 lactic acid bacteria cells and an oral pharmaceutical composition for treating HPV infection and/or HPV associated tumors as well as a mucosal immunity inducing agent that include this lactic acid bacteria containing composition.