It is a kind of to have the massaging tool for intending true cavity,It is the ontology for including: a tool elasticity,The interior cavity being inserted into one for the genitals of male in ontology,One end of interior cavity forms an entrance in the side of ontology,And include inside by entrance in what ontology an ante-chamber section,One lumen section and a Hou chamber section,Ontology has the decorations portion of a simulation female vulva cage structure in inlet ambient； Ante-chamber section is in gradually-reducing shape from entrance toward lumen section,Protrusion at least one protrusion relatively in lumen section； Boss surface has the burr for irritating genitals； Hou chamber section has the cavity shape of the glans penis of cladding genitals front end,And there is the neck of a bore reduction with the junction of lumen section,Thereby constitute this creation.一種具擬真腔道之情趣用具，其係包括：一具彈性之本體，本體中具有一供男性的生殖器插入的內腔道，內腔道的一端在本體的一側形成一入口，且於本體中由入口往內包括一前腔段、一中腔段及一後腔段，本體在入口周圍具有一模擬女性外陰部構造的飾部；前腔段由入口往中腔段呈漸縮狀，中腔段內具有至少一相對凸起之凸部；凸部表面具有供剌激生殖器之凸紋；後腔段具有包覆生殖器前端之龜頭的內腔形狀，且與中腔段之交接處具有一口徑縮減之頸部，藉此構成本創作。
