The incidence of skin cancer has increased significantly in recent years, which has brought great fear to everyone, so it is crucial to do a good job in skin cancer prevention. What is skin cancer? Skin cancer is a very harmful disease and it is very common. We know that cancer cells in the body of skin cancer patients will be in a state of over-secretion, and they will grow and replicate in a disorderly way, so people will have different symptoms. Squamous cell carcinoma is a kind of skin cancer, which is easy to replicate between the age of thirty and fifty, and the cell carcinoma in skin cancer is usually found in people over fifty years old. Squamous cell carcinoma in skin cancer is also a disease that occurs on the lower lip, tongue, nose and vulva, and it occurs mostly at the junction of the skin and mucous membrane. In addition, squamous carcinoma in skin cancer usually occurs at the junction of skin and mucous membranes, and the cancer cells will rise up at the edge of the ulcer, which requires active treatment. What are the symptoms of skin cancer? If the lesion continues to develop, it may cause characteristic signs, such as translucent, shiny papule-like nodules and blood oozing due to capillary expansion on the skin surface, which will seriously affect the life of patients and will not only cause discomfort but also affect the beauty. 2.If skin cancer is in advanced stage, with the development of cancer cells, it can invade into the dermis, and some squamous cells with incomplete differentiation or poor keratinization will appear, and the more squamous cells there are, the lower the cure rate will be. 3.If not detected and treated in time, skin cancer can be life-threatening, therefore, early detection and treatment are extremely important. What should we pay attention to in order to prevent skin cancer? 1.Avoid washing with too cold and too hot water or salt water to avoid stimulating the skin. 2. To prevent skin cancer in daily life, we 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 the 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. The oily skin should often be cleaned with soap and warm water, while the 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, and the pruritic skin should be prevented from secondary infection caused by scratching on the basis of active treatment. 8, eliminate factors related to diet. For certain skin such as eczema, psoriasis, xunmia, rosacea, seborrheic dermatitis, etc., attention should be paid to limiting the consumption of fish, shrimp, crab and other seafood items and spicy food.