The report of the sustainable development in China points out that the population problem is the crux for realizing the sustainable development in the 21st century. It's projected that China can achieve the zero growth rate in three steps in the future. This will help China to increase its GDP, provide more employment opportunity, increase longevity rate and bring up the educational standards. Zero growth rate will also help China to reduce the consumption of natural resources. This report was made on the base of the calculation of national science institute...