Chinese Journal of Radiation Oncology is a specialized and authoritative publication of radiation oncology in China. It is devoted to the clinical, oncologic radiation biology, radiation physics and hyperthermia and inclined toward the general medium, specialized clinical physicians and researchers. The leading novel results of scientific research experiences of clinical diagnostic and therapeutic trials which are closely related to clinical practice, and those which may be related to basic theories are all the choices of this journal. The columns of the journal are Original Articles, Brief Reports, Technic and Methods, Experiences of Communication, Case Reports, Summary, Lectures, Education Scope, Evaluation of Books and Journals, etc. In general, the quality of this publication is certainly not below the similar ones in Europe or America. Some of the high quality papers have been introducted to foreign journal, eg. Int J Radiat Oncol Biol Phys(the red journal) in America and Radiother Oncol(the green journal) in Europe. As the contents of this journal are similar to those in “the red journal” and “the green journal”, it is presently called “the Chiese red journal”. In 1987, Chinese Journal of Radiotherapy started its first publication, after a five year trial, adopting the present name, it finally became one of the serial journals under the direction of Chinese Medical Association. In Dec. 1999, the journal got the certificates of Chinese Scientific Citation Index Database Journals Source, Chinese Academy Journals Composite Evaluation Database Journals Source and Chinese Academy Journals(disk edition) of “Chinese Journal Web”. In June 2000, the journal got the certificate of Core Journals Collection Identification. In Feb. 2001, the jurnal got the certificate of Chinese Biologic and Medical Core Journals. In Dec. 2002, the digitalized journals group collection certificate issued by the Wanfang Data LTD distributed by Wanfang Data LTD of Chinese Science and Technology Information Institute. In the following year(2003), the journal got the certificate of Chinese Academy Journals Composite Evaluation Database(CAJCED) or Chinese National Knowledge Infrastructure(CNKI） and Chinese Journals File Data(CJFD). In March 2004, the recorded certificate of Chinese Science and Technology Papers Statistical Journals Source(Chinese Science and Technology Core Journals) was obtained by Chinese Science and Technology Information Institute. In April 2006, the recorded certificate of Chinese Science and Technology Papers Statistical Journals Source(Chinese Science and Technology Core Journals) was obtained by Chinese Science and Technology Information Institute.