The skin around the testicles turns white, the possible clinical causes are scrotal ringworm, vitiligo and so on. 1. scrotal ringworm: this situation is mostly seen in the people who do not pay attention to their own hygiene and cleanliness, but also may be the testicular area of the local skin stimulation and lead to the main clinical manifestations of the scrotal area of the skin itchy, flaking and other symptoms, part of the case of local skin stimulation will also appear in color changes, such as whitening or erythema, and so on. 2. Vitiligo: this condition is usually associated with genetic factors, a small number of cases with autoimmune factors, the main clinical manifestations of the affected skin itching, flaking, white and so on. The main clinical manifestation of this is the itching of the skin, flaking, white, etc. It is recommended that the existence of the relevant situation of the crowd, to the hospital dermatology to clarify the diagnosis, so as to carry out targeted treatment.