The testicles are wrapped in a white film, the testicles should be white under normal physiology, should refer to the appearance of small white dots on the scrotal skin, that is, small white dots on top of the testicles, the most common is scrotal infection. The most common type of scrotum is scrotum infection, early on the scrotum skin small white spots lead to edema, congestion, later may be peeling, flaking, the formation of small white spots should be actively treated. You can use an ointment for dermatitis, such as Paregoric ointment. The appearance of scrotal lice may also cause the small white spots, scrotal lice is a parasitic infection, the naked eye to see, need to do the corresponding diagnosis and treatment, scrotal skin eczema may also appear small white spots, eczema is an allergic disease, can lead to abnormal changes in the scrotal skin with significant itching, the appearance of small white spots to clarify what causes, specific analysis, the need for targeted treatment This is the most secure method.