On Aug 1,2014, Mr.Cai Fang, member of the Chinese Academy of Social Sciences and head of the Institute of Population and Labor Economics,held a briefing for Chinese and foreign media to introduce the overall situation on China's economy in the first half of 2014 and prospect the trends of economic growth in the second half of the year.Cai Fang also answered questions including the impact of China's population structure change on economic development, the reasonable adjustment interval of China's economic growth rate, the stimulating role of the reform of household registration system on China's economy and externality of China's economic growth.