As early as 30 years ago, Japan began to study cancer cure methods, and constantly broke through innovation. Among them, professional anti-cancer physical examination institutions (such as Tokyo Kyoto Xitai Physical Examination Hospital) and specialized cancer treatment hospitals (such as cancer research) have long been world-renowned. Today, Japan has gradually formed a mature cancer prevention and control system with three steps: cancer screening, cancer treatment and cancer recurrence prevention. Television, magazines and new media will try their best to popularize the significance of early onset and active treatment of cancer, which has been endorsed by many medical schools and research institutions at home and abroad. Japan's 30 years of painstaking research on cancer has created a world-leading cancer prevention and control system, making Japan second to none in the world in the field of cancer treatment, thus attracting a large number of foreign patients for treatment and examination.