NOVELTY - The utility model discloses a scrotum nursing device after urological surgery, comprising a protective underwear, the surface of the protective underwear is provided with a scrotum protective structure, the scrotum protective structure comprises an arc-shaped protective cover, the surface of the arc-shaped protective cover is provided with an assembling component capable of being integrally assembled with the protective underwear, the inner wall of the arc-shaped protective cover is provided with an air bag, the surface of the air bag is provided with an adjusting group capable of adjusting the position of the air bag. The scrotum nursing device after urological surgery, the arc-shaped protective cover is installed on the protective underwear, after the patient wears the protective underwear, the arc-shaped protective cover made of plastic has a certain intensity, so the scrotum of the patient will be in the arc-shaped protective cover, The scrotum can be provided with a certain moving range by using the arc-shaped protective cover so as to avoid the secondary injury to the affected part of the patient caused by extruding the scrotum; at the same time, the filled air bag can be used for supporting the lower part of the scrotum so as to promote the local blood circulation and relieve the swelling and edema of the scrotum.