The back of the neck of the patient is very dark how to do, according to the specific situation of patients can take different treatment methods. One, if the patient’s neck often receive ultraviolet radiation, thus causing local pigmentation, manifested as dark skin, belongs to the normal physiological phenomenon, can be through local external rubbing sunscreen, appropriate use of clothing cover, to avoid excessive stimulation of the skin behind the neck lesions. If there is melanoma on the back of the neck and the skin is dark, melanoma is a malignant tumor with high malignancy, patients need to have surgery to remove the local tumor cells as soon as possible, as well as local radiotherapy treatment of the surrounding skin. Some patients may even need a second surgery to expand the resection area if the post-operative pathological examination indicates positive cut margins, in order to remove as many tumor cells as possible from the body.