Introduction to the Martyrs Cemetery: The backyard is the cemetery of martyrs. They include Red Army soldiers who have participated in the 25,000-mile Long March, anti-Japanese democrats, underground workers, self-defense counterattacks against Vietnam and modernization construction. During this period, a total of 826 martyrs sacrificed their precious lives to protect the lives and property of the people. Among them are well-known martyrs such as veteran Red Army Wang Rongjiang, county brigade deputy Hao Guangsheng, Yishan District Party Committee deputy secretary Ren Shuyun, democrat Wu Pichu, and the seven unknown heroes of the Yuchanshan battle.