A rotary wave sex toy comprising a hollow housing (1), an accommodation cavity (2), and at least three vibrator sets arranged between the housing (1) and the accommodation cavity (2) and distributed along the outer periphery of the cavity (2). Each vibrator set comprises at least two vibrator units arranged in columns the at least two vibrator units are arranged along the axial direction of the outer wall of the cavity (2). The rotary wave sex toy also comprises a control box (6) for use in controlling vibration sequence, vibration duration, and vibration mode of each vibration unit, thus generating with vibration either a rotary wave that surrounds the axial direction of the accommodation cavity (2) or a spiral rotary wave along the axial direction of the accommodation cavity (2). The rotary wave sex toy is provided with a beneficial effect of: an intense massage effect during male masturbation or female masturbation for great user experience, thus enriching the function of the rotary wave sex toy.
