Boys neck melanin precipitation, removal methods include daily care, medication (hydroquinone cream, etc.) and physical therapy (photorejuvenation, etc.). 1. Daily care: boys need to pay attention to good sunscreen in life, avoid going out when the ultraviolet rays are too strong, when you go out, you need to apply sunscreen, use a sun hat, try to minimize the neck in the ultraviolet rays in the long time exposure. At the same time, avoid repeated rubbing or scratching of the neck area. 2. Medication: For newly formed melanin deposits, you can apply hydroquinone cream, retinoid ointment, vitamin E and other drugs to remove them, but the effect varies from person to person, and you need to use the drugs under the guidance of a specialist. 3. Physical therapy: For those with serious melanin deposits, they should also be treated with Q-switch laser therapy, photorejuvenation and other methods. Due to the different causes and severity of melanin deposition, the corresponding treatment measures are also different. It is recommended that patients who are willing to improve their melanin deposits should go to regular hospitals in time and follow the doctor’s instructions for active treatment, and should not use drugs indiscriminately.