What should be noted for skin cancer prevention? 1.Avoid washing with too cold and too hot water or salt water to avoid stimulating the skin. 2.In daily life, skin cancer prevention should pay attention to avoid excessive direct sunlight and exposure to sunlight, especially during the time period from 10:00 a.m. to 3:00 p.m., when the ultraviolet radiation is strongest. When outdoors, it is best to wear long-sleeved clothes and long pants, wear a hat, sunglasses, and use sunscreen products, it is advisable to choose sunscreen with a sun protection index of 15. 3, keep the skin clean and hygienic. For oily skin should often use soap and warm water to clean; for dry skin should use less soap. 4, to maintain skin elasticity. In the cold season, you should often use emollients on the skin to maintain the elasticity and softness of the skin and reduce skin cracks. 5, protect the hair. Hair has the role of protecting the scalp from external stimuli, should pay attention to frequent trimming, regular shampooing, to keep the scalp clean. 6, clean nails. Nails should be trimmed often, and remove the dirt under the front of the nail. 7, protect the skin. Even if there is a small break in the skin, it should be dealt with in a timely manner; the skin that has been infected should be protected on the basis of attention to cleanliness and proper isolation to prevent contact infection; the pruritic skin should be prevented from secondary infection caused by scratching on the basis of active treatment; in summer, prickly heat is a harbinger of skin infection, so it is vital to put prickly heat and treat prickly heat. 8, eliminate factors related to diet. For certain skin such as eczema, psoriasis, Xunma rash, rosacea, seborrheic dermatitis, etc., attention should be paid to limiting the consumption of fish, shrimp, crab and other seafood items and spicy food.