Content introduction Unit 731:Japanese Germ Warfare Unit in China The Japanese 731 Bacteriological Warfare Unit was built in Pingfang District, Harbin City during the Japanese war of aggression. Its specific purpose was research into biological warfare and experimentation on live human “guinea pigs.” Between 1935 and 1945 at least 3,000 people died in various biological experiments. Preface Planning for Bacteriological Warfare Building Massive Bacteriological Warfare Unit “Special Transfer” and Experiments on Live Human Beings Developing Bacteriological Weapons Putting Germs into Actual Combat Destroying Criminal Evidences and Fleeing China Major Events of Unit 731 Wartime Responsibilities That Have to Be Answered For