The memorial hall was built in the autumn of 1964 and named as "the exhibition room of the militia struggle room of Jiaozhuanghu". 1979, the Beijing municipal government decided to be a municipal key cultural relics protection unit, and renamed it "Beijing Jiaozhuanghu tunnel warfare site memorial hall". Jiaozhuanghu village belonged to the leadership of Jidong anti-Japanese base area during the war years, and it was the only way to Pingxi and Pingbei base areas. The tunnel warfare struggle between the people of Jiaozhuanghu and the enemies at home and abroad began in the spring of 1943. At that time, only a few hidden caves were dug, and only one or two people could be hidden or some food and other items could be stored. Once discovered by the enemy, we had to give in easily. In order to fight the enemy for a long time, the village party branch mobilized the masses to connect individual hidden caves and fight in the tunnels. By 1946, the whole village had dug 23-mile-long tunnels, criss-crossing and connecting with neighboring villages, forming a battle tunnel network capable of fighting and preventing. On June 1947+00, Shunyi county people's government awarded the banner of "people's first fortress" to Jiaozhuanghu, and placed it on the top of the 18-meter-high militia watchtower. In order to cherish the memory of the heroic achievements of revolutionary martyrs and educate the people in the traditional way, the exhibition room reproduces the historical picture of Jiaozhuanghu people's heroic struggle with foreigners in China under the leadership of the Party with detailed materials, precious cultural relics and real tunnel warfare sites. At present, there are still more than 650 meters of tunnel warfare sites for visitors to visit. There are lounges, command posts, single bunkers, traps, rice milling platforms, Miao platform bunkers, hidden entrances and exits such as water tanks, kang caves, wall cabinets, pots and pans, pigsty and donkey trough, and watchtowers. Since the opening of 1964, by the end of 1997, the memorial hall has received more than 500,000 tourists from home and abroad, including more than 20 countries and regions, and more than 2000 foreign guests. There are five contents in visiting the memorial hall: first, visiting authentic sites; The second is to watch tunnel warfare movies; The third is to listen to Comrade Jiao Zhibin, a youth league member during the Anti-Japanese War, talking about the battle history of Jiaozhuanghu village; The fourth is to eat "anti-Japanese rice" (that is, Wowotou, corn porridge, pickles); Fifth, when the apples are ripe in autumn, the audience can personally participate in the picking activities.