There are about 20 regular sanatoriums in Qingdao. The famous sanatoriums are Qingdao Sanatorium, Railway Corporation Sanatorium, Air Force Sanatorium, All-China Workers Sanatorium, jinan military area command Sanatorium, Shengli Oilfield Sanatorium and Air Force Sanatorium. Navy Sanatorium, Qingdao Sanatorium of State Power Company, Qingdao Sanatorium of Material Reserve Bureau of National Development and Reform Commission, Qingdao Sanatorium of AVIC, Qingdao Sanatorium of Ministry of Chemical Industry, Qingdao Sanatorium of Posts and Telecommunications of Ministry of Industry and Information Technology, Qingdao Sanatorium of China Textile Workers, Qingdao Sanatorium of the State Council State-owned Assets Supervision and Administration Commission of Qilu Petrochemical Company of China Petrochemical Group, Qingdao Metallurgical Sanatorium of the State Council State-owned Assets Management Commission, Qingdao Sanatorium of Xinhua News Agency, Sifang Locomotive and Rolling Stock Factory of China Railway Corporation, Huangdao Sanatorium of Qingdao Engineering Company of China Railway 10th Bureau Group, etc.