The present invention relates to a composition for prevention or treatment of gynecological diseases containing an extract of Sarcodon imbricatus as an active ingredient. Specifically, the extract of Sarcodon imbricatus of the present invention can be effectively used, with only one dose, for prevention or treatment of gynecological diseases by treating dysmenorrhea, reducing a menstrual period, an amount of menstruation, menstrual irregularity, and extravasated blood, and clearing the color of menstruation.
