The site of Zheng Chenggong Wushu Field is located in the playground in front of Lu Xun Memorial Hall of Xiamen University, which belongs to the municipal cultural relics protection unit. After liberation, a stone carving of "practicing bravery" with a length of120cm and a width of 48cm was found in the Bajiaoting Garden behind the Tongan Building of Xiamen University, and it is now in the Zheng Chenggong Memorial Hall in Gulangyu. Mr. Chen Jiageng chose the site of Yanwu Museum to establish Xiamen University, aiming at adhering to the legacy of our ancestors, patriotism and rejuvenating the country. At that time, there was a wall on the hills on the northeast and southwest sides of the martial arts field. Inside the wall was a large tinker with a total area of more than 50 thousand square meters. Next to the big school yard, there is an original martial arts school in Qunxian Building of Xiamen University. Before Zheng Chenggong sent troops to the Northern Expedition, he selected soldiers here, conducted drills and reviews every day, and trained an "iron army" of 10,000 people, which later became the main force to recover Taiwan Province.

The scale of Wushu field

The range of the martial arts field is adjacent to Xiamen Port in the south and South Putuo in the north. There are two city walls in the northeast and southwest, which are called Zhennanmen and Zhenbeiguan respectively. Yan martial arts school is located in today's Xiamen University.

According to the draft book, in March of the 12th year of next year (1658), engineer Feng was ordered to build a platform martial arts hall on the martial arts field as a place for his coach to watch the soldiers. In the 19th year of Qing Emperor Kangxi (1680), the Qing army invaded Xiamen, and Zheng Jing ordered it to be burned before retreating to Taiwan Province Province. 1954, the stone carving of "practicing bravery" was unearthed in front of Qunxian Building of Xiamen University. The stone carving is 0.48m high and1.02m wide, in regular script. According to textual research, it is a stone component of Yanwuting. The word "training courage" should be one of the gist of Zheng Chenggong's training.

According to Ruan Minxi's Notes on the Sea, Zheng Chenggong was practicing his famous "Iron Man Army" with five clubs. "The training is based on 500 kilograms of stone lions. Those who can stand upright can be dragged into the left and right Wu and Wei pro-armies, with Yunnan bows and arrows, iron helmets and iron skirts, and locked with locks. When you can't take it off, it's called Iron Man. " Ironman Army is brave and good at fighting, and it is the main force for the Northern Expedition to resist the Qing Dynasty and recover Taiwan Province Province. Yanwuting site was announced as a municipal cultural relics protection unit in 196 1.

According to historical records, engineer Feng was ordered to build a pavilion on the playground between the east of Xiamen Port freight yard and Aoziling for the resident coach to watch the soldiers. After the completion of the exhibition hall, Zheng Chenggong personally guided the teaching.