With the continuous increase of property market control, the supply of land also increased in all regions in 2017. According to the statistics of the Research Center of Centraline Group, the revenue from land sales of the 50 large and medium-sized cities nationwide havehit anall-time high, accumulative total land sales amounted to 3.57 trillion yuan, compared with 2.65 trillion yuan in 2016, up 34%. Among them, the amount of land sales of 13 cities rose more than 100%. At the same time, after experiencing the destocking of the last two years, large real estate enterprisehave chosen to increase stocks . According to the statistics of the China Index Academy, 50 ten-billion-yuan level real-estate enterprises spent as much as 224.2 billion yuan to acquire land through bidding and auction, an increase of 74.4% over the same period of last year. Among the above-mentioned 50 large and medium-sized cities, 2 of them have exceeded 200 billion yuan in land transfer fees. Beijing reached 279.6 billion yuan and Hangzhou reached 227.2 billion yuan. Land transfer income of 11 cities including Nanjing, Suzhou, Chongqing, Shanghai, Tianjin, Chengdu and Zhengzhou surpassed 100 billion yuan. 22 cities surpassed more than 50 billion yuan, cities with over 20 billion yuan revenue from land sales reached 56 nationwide, setting a record high over the same period. From a national perspective, the total leased land area sold by core cities exceeds 5 million square meters. According to the average single suite of 60 square meters, more than 80,000 rental houses can be directly provided, and concentrated in Beijing, Shanghai and other frontline rental hot cities. In 2017, the focus of acquiring land of the large housing enterprises started to move from the first tier and the second tier cities to the their tier and the fourth tier cities. the ground area the 50 ten-billion-yuan level real-estate enterprises took in third and fourth tier cities in 2017 increased 145% YoY and floor prices rose 53.9% YoY. the ground area they took in the first and second tier cities, increased 63.0% and 46.7% YoY while the proportion was reduced by 0.7% and 11.3%, respectively. Subject to the "price limit, competitive bidding, competitive self-sustaining" and other policies, the floor price has also been reduced. However, the proportion of land acquisition by ten-billion-yuan level housing enterprises was still high in the key cities. The urban land transaction amount in top 20 cities by the 50-billion-yuan level house enterprises exceeded 60% of the total urban land transaction. Among them, Wenzhou, Nantong, Fuzhou, Hefei, Wuxi and Ningbo accounted for over 70% of the total. From the perspective of land sales in major cities, historical records were refreshed in 2017 in a number of respects. First, high land prices pushed up the revenue from land sales. Second, land supply increased significantly compared with the previous period. In particular, the increase in land supplylimited price housing and the rental housingwill have a significant impact on the real estate market in 2018.