Tattoos do not usually cause skin cancer. Skin cancer is a common malignant tumor in dermatology that occurs mostly in light-exposed areas. The most common types include squamous cell carcinoma of the skin, basal cell carcinoma of the skin and malignant melanoma of the skin. Most of them have a good prognosis after early treatment. The causes are complex and varied, including genetic abnormalities, ultraviolet radiation, chronic irritation, immunosuppressive drugs, and arsenic poisoning. In general, if the long time chronic inflammation, may also cause skin cancer. However, tattooing is mainly injected into the bottom layer of the skin by the way of needle prick, and skin cancer will not occur, and it is important to pay attention to good care to avoid inflammation and other situations. Tattoo generally will not occur skin cancer, need to pay attention to, do tattoo after pay attention to keep local clean, avoid infection.