Dong, born in 19 12, was a soldier of the 16th division of the Japanese invaders who participated in the Nanjing Massacre. Out of deep reflection on the evil war, he published the Diary of the War in 1987, and delivered speeches exposing the truth of the war at gatherings all over Japan, so he was attacked and persecuted by the Japanese right wing.

Dong came to Ning seven times to apologize.

-1987 12 13, 50th anniversary of the Nanjing Massacre by Japanese invaders. Dong made a special trip from Japan to attend the commemorative activities, which was his first time to return to China after the war.

-1In August 1994, Dong visited Nanjing for the second time. Dong pointed to a place near Xuanwu Gate and said: Hundreds of China people were slaughtered here in those days, and this place is also a site.

-1997, Dong went to attend a seminar. After returning home, Dong was besieged by Japanese right-wing forces, who burned things in front of Dong's house and harassed his house with loudspeakers.

-1998 In March, I came to Ningdong for the fourth time. This time, he donated the original five volumes of Dong Diary, military flags and medals to the Memorial Hall for Victims of the Nanjing Massacre by the Japanese invaders.

-1In April, 1999, Dong came to China to participate in an interview with CCTV's "Tell the truth" Cui Yongyuan.

—— In February 2000, regardless of his advanced age, he went to Nanjing, Beijing, Shenyang, Shanghai and other places to testify, reflect and tell the history of harm.

-In April, 2004, Dong, who was 92 years old, came to Nanjing again. Japanese right-wingers called him "traitor", "traitor", "the shame of old soldiers" and "the crime should be said to die".