Staying up late often will increase the risk of cancer, but not necessarily get cancer, so the statement that staying up late often will get cancer is not entirely true. The occurrence of cancer is caused by a variety of factors inside and outside the body, often staying up late is one of the external high-risk factors leading to the occurrence of cancer. In addition to staying up late, the daily high-risk factors that are likely to lead to a high incidence of cancer include long-term consumption of preserved food, overnight food, or long-term smoking, drinking a lot of alcohol and other bad dietary habits. Therefore, in order to reduce the risk of cancer, it is very important to take preventive measures such as changing bad dietary habits, avoiding staying up late and getting enough sleep. In addition, people with high risk factors for cancer should undergo regular medical checkups for early detection of the disease.