Disclosed is a masturbation cup, comprising an upper casing (1) and a lower casing (2), and further comprising retaining protrusions (3, 4) and a retaining member (5). The retaining protrusions (3, 4) comprise an upper retaining protrusion (3) and a lower retaining protrusion (4) arranged to be separated in the vertical direction. A retaining slot (6) of the retaining member (5) is in a slide fit with the retaining protrusions (3, 4) in the longitudinal direction to prevent the upper retaining protrusion (3) and the lower retaining protrusion (4) from disengaging in the vertical direction. The upper retaining protrusion (3) is fixed relative to the upper casing (1), and the lower retaining protrusion (4) is fixed relative to the lower casing (2). In the masturbation cup, upper and lower slot walls of the retaining slot (6) are respectively abutted against the upper retaining protrusion (3) and the lower retaining protrusion (4), thereby preventing the relative movement of the upper casing (1) and the lower casing (2) in the vertical direction, and in turn effectively ensuring the relative fixation between the upper casing (1) and the lower casing (2). At the same time, the retaining slot (6) is in a slide fit with the retaining protrusions (3, 4), same is convenient to disassemble and assemble, and the disassembly and assembly will become smoother and smoother. In summary, the masturbation cup can effectively solve the problem of inconvenient disassembly and assembly of a masturbation cup.L'invention concerne un gobelet de masturbation, comprenant un boîtier supérieur (1) et un boîtier inférieur (2), et comprenant en outre des saillies de retenue (3, 4) et un élément de retenue (5). Les saillies de retenue (3, 4) comprennent une saillie de retenue supérieure (3) et une saillie de retenue inférieure (4) agencées pour être séparées dans la direction verticale. Une fente de retenue (6) de l'élément de retenue (5) est en ajustement coulissant avec les saillies de retenu
