Black hairy nevus must be removed surgically, but skin grafting is not necessarily required. The surgical plan for black hairy nevus can be determined according to the location and size. For example, skin flap transfer, staged resection, expander, and skin grafting are all options. If a nevus is suitable for skin grafting, it can only be transplanted from his own body, and other people's skin will not survive. After skin grafting, some parts will be darker in color, and the surrounding scars may be obvious or not. It mainly depends on the individual's physical constitution. At Weifang Medical College Plastic Surgery Hospital, there is no problem in performing black nevus surgery. Black nevus surgeries are all performed by professors from medical schools. They have mature techniques for treating black hairy nevus and rich experience in treating black hairy nevus. The treatment effect of black hairy nevus is good, and there is no problem in treating black hairy nevus. The treatment of black hairy nevus is safe and reliable, and the treatment of black hairy nevus is trustworthy.