PURPOSE: An exercise apparatus for strengthening pelvic muscle is provided to induce an effect of treating fresh sensation with less pain. CONSTITUTION: An exercise apparatus for strengthening pelvic muscle has a vagina interposer(1). The exercise apparatus induces relaxation and contraction of pelvic muscle by changing cold water and hot water in the vagina interposer. The cold water and hot water is applied according to the signal which controls time in a control box(8).
