Active device to stimulate a perineal area, configured to be inserted in a vagina (8) having: a hollow body (2) which in turn includes: an upper segment (21), a lower segment (22) which has a longitudinal axis between the upper segment (21) and the lower segment (22); an inner wall (13); vibration elements (30) for making the inner wall (13) vibrate; and vibration-transmission elements (31) to transmit the vibration from the vibration elements (30) to the inner wall (13) so that the inner wall (13) is alternatively vibrated by the vibration elements (30).