World Cancer Day is celebrated on February 4 every year, and the theme of World Cancer Day 2015 launched by the International Union Against Cancer (IUC) is “Cancer prevention and control goals are not far away”, which aims to promote healthy lifestyles, focus on early detection of cancer, enable all cancer patients to receive effective treatment, and maximize the quality of patients’ survival worldwide. The theme of World Cancer Day is “Cancer prevention and control is not far away”, which aims to promote the development of cancer prevention and control by promoting healthy lifestyles, focusing on the early detection of cancer, enabling all cancer patients to receive effective treatment and maximizing the quality of survival.