The 30 years’ changes of colorectal cancer and the strategies in China        ZHOU Zong-guang*, YANG Lie, LI Yuan, et al. *Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
Corresponding author: ZHOU Zong-guang, E-mail：zhou767@163.com
Abstract    For 30 years, the incidence and mortality of colorectal cancer (CRC) has displayed obvious economy, culture and region characteristics in the world. Generally, the CRC incidence and mortality slowly increased by about 30% while gradually decreased and tended to stability in recent 10 years in developed countries and regions, largely due to CRC screening. In China, the CRC incidence and mortality have rapidly increased to 400~500% of that before 30 years. The grim situation poses a huge challenge on the strategy and wisdom of CRC control. Multiple specific factors underlie the rapid increasing of the CRC incidence and mortality in China, which should be elucidated urgently. The CRC control awareness should be improved by professional and science popularizing approaches, making the CRC-preventable concept deeply into the mind of people. The CRC screening rate should be increased in target population. The simple and the most effective methods colonoscopy, sigmoscopy and digital rectal examination, should be regularly carried out in the population with high risks of CRC. It is imperative to adjust CRC control strategy and tilt the focus to prevention.