The patient’s neck is very dark how to do, according to the patient’s specific situation is different can take different methods of treatment. First, if the patient’s neck is often exposed to ultraviolet radiation, thus causing local pigmentation, manifested as dark skin, is a normal physiological phenomenon, you can through the local external sunscreen, the appropriate use of clothing to cover, to avoid excessive stimulation of the skin behind the neck lesions. Secondly, if the back of the neck is accompanied by melanoma and caused by dark skin, melanoma belongs to malignant tumor with high degree of malignancy, and the patient needs to have surgery to remove the local tumor cells as soon as possible, and at the same time, have radiotherapy treatment for the local surrounding skin. Some patients may even need a second surgery to expand the scope of excision to remove as many tumor cells as possible if the postoperative examination suggests that the margins of excision are positive.