The male scrotum is a little bit inflamed after sex, mainly due to infection, trauma and so on. 1. Infection:It may be that the body is in a state of fatigue after sex, which makes the body’s resistance weakened, and it is easy to be infected by some bacteria or viruses. It may also be due to the lack of attention to hygiene after sex, bacterial infection, thus causing scrotal inflammation. 2. Trauma: Sexual life action is too intense, or violence, it is easy to lead to testicular injury, causing local swelling and bruising, which leads to scrotal inflammation. Patients initially scrotal skin redness, swelling, itching, followed by scrotal pain, can also be accompanied by chills, fever and other systemic symptoms. If scrotitis is not treated in time, repeated attacks of inflammation may lead to scrotal necrosis. Therefore, it is recommended that men who have a little bit of inflammation of the scrotum after sex go to the hospital in time to avoid delaying the condition.