Criminal evidence of the Japanese invasion of China by Unit 731

On December 11th, Mi Qingdong, a student majoring in Health Inspection and Quarantine from the School of Public Health at Nanhua University in Hengyang, Hunan Province, received a donation certificate from the Criminal Evidence Exhibition Hall of the 731st Unit of the invading Japanese army. He thanked him for donating the "remains of the epidemiological investigation report on Dalai County" and stated that he would use the donated collection as a collection for research to maximize its value as criminal evidence

Mi Qingdong is from Chenxi County, Huaihua, Hunan. He likes to collect old items in his daily life. According to his recollection, on November 6th, he purchased a gray blue cloth clip bag from an online second-hand market and opened it to find that the paper inside had words such as "Tai'an Town" and "Keshan Disease" as well as Japanese kana. He learned epidemiological research methods at school and believed that this could be a report on epidemiological investigations in Northeast Japan

I briefly organized it and found that the content on it was very similar to an experimental record, but because I didn't understand Japanese, I posted it online for help from netizens Mi Qingdong said that some netizens who understand Japanese pointed out that the Japanese language of the document is basically from the Showa period, and the content involves bacteriology and local diseases. The "Dalai County" mentioned in it was a former county under the jurisdiction of Heilongjiang Province, now belonging to Da'an City, Jilin Province. Unit 731 once carried out bacterial warfare in this area. Keshan disease "is named after its discovery in Keshan County, Heilongjiang Province

I feel that these materials may be closely related to the 731 unit of the invading Japanese army, so I contacted the staff of the 731st unit of the invading Japanese army's Criminal Evidence Exhibition Hall, hoping to hand them over to the cultural security unit for sorting and research Mi Qingdong said