Popping skin is generally referred to as peeling skin, testicular peeling skin may be testicles in a high temperature environment for a long time or by the underwear friction and other physiological factors, but also may be scrotal eczema, scrotal inflammation, as well as allergies and other factors caused. 1. Physiological factors: if the testicles for a long time in a high-temperature environment, and wear small-sized underwear will lead to testicular friction for a long time, this will make the testicles appear dry and peeling performance. 2. Scrotal eczema: the cause of scrotal eczema is not clear, and it is considered to be related to abnormal immune function, wearing non-cotton underwear, heredity, excessive stimulation of the scrotum and other factors. Patients will have scrotal skin itchy, dry, mossy, scaly and other manifestations, so patients will have testicular peeling manifestations. 3. Scrotal inflammation: the etiology of scrotal inflammation is not clear, which may be caused by endocrine disorders, local stimulation, mental tension and other reasons. Patients will have pimples, dryness, itching, mossy changes and other symptoms in the scrotum area, and thus patients will have symptoms of testicular desquamation. 4. Other: patients with testicular desquamation may also be caused by allergies, local fungal infections, vitamin or trace element deficiencies and so on. If the testicular peeling is caused by physiological factors, it usually does not need special treatment, and can be relieved by changing the right size of underwear and staying away from high temperature environment. For disease-induced testicular desquamation, it is necessary to consult a doctor in time and follow the doctor’s instructions to choose the appropriate measures for treatment.