The appearance of island lines on the affected area of vitiligo like the skin may be related to the gradual recovery of the disease. Vitiligo as a kind of pigment loss disease, although it is difficult to be cured, but through active treatment, the symptoms of vitiligo can be controlled and even improved. After the vitiligo symptoms get improved, the local skin color will gradually return to normal skin color, so there will be vitiligo white spot parts of the island pattern of normal skin color, suggesting that the condition is recovering. Vitiligo treatment is mainly based on glucocorticoid drugs (such as betamethasone), followed by the need to combine some depigmenting agents (hydroquinone cream), immunomodulators (such as tacrolimus) and vitamin D3 derivatives (such as calcipotriol) treatment. There is no specific cycle of treatment for vitiligo, and it is important to continue to use medications as prescribed by your doctor once your symptoms improve. There may be other reasons for the appearance of skin-like islands on the affected areas of vitiligo. If the symptoms continue to be unimproved or worsen, it is recommended to go to the hospital for medical treatment in a timely manner.