Introduction to the imprisoned martyrs: The people imprisoned in Zhazidong are mainly education and journalism people arrested in the "June 1st Arrests" in 1947, and people arrested in the "Little Revolutionary Revolution" underground armed case, who went up and down East Sichuan three times. Those captured and arrested in the armed uprising, those arrested in the "Advance Newspaper" incident, members of the Sichuan East and Sichuan-Kang branches of the Kuomintang Revolutionary Committee, etc., at most, more than 300 people were imprisoned. Jiang Zhuyun, Xu Jianye, Yu Zusheng, etc. were once detained here. The picture shows photos of imprisoned martyrs displayed on the wall of the exhibition room.