Abstract: The Institute of Forensic Sciences is an Institute which undertakes research work in forensic medicine and criminalistics, madico-legal identification for more difficult cases and the training of madico-legal examiners. The Institute was established in 1932 and Lin Ji, who had got a doctor degree in forensic medicine, was appointed as the first director. In 1960 both institutes were dissolved.In 1983 the institute was set up again.Prof. Zheng Zhongxuan,a forensic pathologist, was appointed as the first director of the reestablished Institute. Principal fields of research: forensic pathology ,including the cause of the death, the nature of the death, the related lethal weapon and the time of de- ath; forensic clinical medicine, including injury, ability of labour, sexual function and sexual crime, malinger and psychosis; forensic chemistry, including poisoning, toxicology, analytical toxicology and chemical analysis of organic or inorganic substance in crime; medico-legal evidence, including blood stains, secretions, hairs, skeleton, pathernity verification; penal technique, including script verification and relevant research work. Besides, the Institute undertakes the examination of cases from public security departments, procuratorates and courts all over China. The Institute also sents many medico-legal examiners, who were trained there, to public security departments, procuratorates and courts all over China. Research results of the Institute are published are published in "Journal of Forensic Medicine" edited by the Institute or in Journals edited in our country. Another Journal published by our Institute is "International Forensic Medicine".It introduces the papers, abstracts, new techniques etc.in related fields published in other countries.