Vitiligo on the back of the neck may be associated with heredity, neurochemical factors, and autoimmune system disorders. Vitiligo is a skin disease caused by the destruction of melanocytes, which is mainly manifested as white patches on the skin. 1. Heredity: Current research shows that some vitiligo patients have family aggregation phenomenon, belonging to the category of polygenic diseases. 2. Neurochemical factors: strong mental stimulation, overwork or anxiety can increase the risk of vitiligo. 3. autoimmune system diseases:When patients suffer from immune system diseases, it will lead to disorders of the immune system, which will produce auto-melanocyte antibodies and reduce melanin production. The actual vitiligo on the back of the neck, it is recommended that the patient go to the hospital in time for treatment. The actual fact is that the actual actual actuality is actually a lot more than the actual actuality.