Based on the feasibility study of the national road network, this paper obtain the one-hour traffic circle of New City/District. Based on the national hospital data obtained by using the internet to develop data, the 551 National New Cities/Districts are conducted a comprehensive evaluation of medical security through the opportunity accumulation model, and ultimately the results of quantitative are sorted. The results show that: ① In the area of traffic, the new urban area with large reachability is concentrated in the eastern coastal areas, and the western region is relatively small. ② For the medical security services, China's new district medical security insurance services distribution is relatively uneven, the top 50 new cities/districts gathered in the Beijing-Tianjin-Hebei, Yangtze River Delta, Pearl River Delta, the three major urban agglomeration. The top five provincial administrative districts are Beijing, Shanghai, Chongqing, Tianjin, Shaanxi Province. Safeguard services of new city/district in Xinjiang province are relatively weak.