The present invention discloses a kind of medicine composition for treating calculous cholecystitis, and is especially one orally taken medicine composition preparation with dementholized mint oil as active component. The dementholized mint oil dripping pill of the present invention has high bioavailability, fast medicine release, quick acting, less toxic side effect, pollution-free production process and low cost. The dementholized mint oil dripping pill of the present invention has dementholized mint oil as active component, which is mixed with non-ionic surfactant as the matrix to prepare the dementholized mint oil dripping pill.