In the 22nd year of Yuan Dynasty (1285), Emperor Melancholy was born in Xiangshui Garden, Gushan County (now Yanqing County). After he ascended the throne, he was promoted to Longqingzhou, Gushan County for three years (13 16). Build large buildings, towers, temples and palaces. At that time, there was a smelter in Longqingzhou, casting copper to make iron. According to legend, iron ore was mined in Xihongshan and Yingmenshan in Longqing Prefecture at that time, and lime kilns and smelters were built in various places. Here, the mountains are gentle, the water resources are abundant, and the four waters meet, hence the name "Sihe Metallurgy". Yuan Di likes to make iron here several times. By the end of the Yuan Dynasty. With the expansion of smelting scale and the increase of the number of people, most of these people have moved out. A southern Feng Shui gentleman said, "Everyone comes from all corners of the country, so' Sihe Metallurgical' should be changed to' Hayes Metallurgical'." Since then, it has been called "the Lord of the Four Seas". In the Ming Dynasty, in order to prevent the invasion of the northern Tatars, the Badaling Great Wall was built in Nanshan, Longqingfu, along the west side of the Great Wall from Yangtou Mountain and the fork in the road to Hayes Metallurgical Enemy Building. The battlements are connected, facing the fire, and there is a strict defense system. The defense of Sihaiye belongs to Xuanhua East Road, just behind the Imperial Tomb, which is a defensive position. At that time, Sancha Road, Liugou and Sihaiye along the route were all military castles, which were defended by troops. Tomorrow, in the eighth year (1464), a castle will be built and named "Four Seas Castle". During the Yongle period, Shanxi immigrants moved here, and Sihaiye Castle was a place with concentrated population in mountainous areas. In the Qing Dynasty, "Four Seas Metallurgical Fort" became a big castle with concentrated politics and economy, and was called "Four Seas Fort". 194610/0 on 23rd October, after the establishment of the China People's Liberation Army Jizhecha Military Region, according to the needs of the struggle against the enemy at that time and the development of the war situation, it was decided to establish a rear base area in the marginal mountainous areas at the junction of Yanqing, Huairou, Luanping and Fengning counties, so Hayes County was established. In 2004, Jirecha District Committee appointed Huang Daifang (Jianxian County) as the county party secretary and Wang Wei as the county magistrate.1947 65438+1October 3 officially announced the establishment of the county (formerly Hayes County). The county has a population of about 50,000 and consists of six administrative districts. 1947 12, the Pingbei land conference ended, announcing the cancellation of Hayes County and the merger with Huairou County, and the former Hayes County set up a working committee. 1On April 20th, 948, Pingbei Administrative Office decided to restore the organizational system of Hayes County (Housihai County) according to the notice of the Office of the Administrative Inspector of Jicha District, which consists of eight administrative districts. In order to facilitate the leadership, it is specifically determined to leave the original villages such as Xizhazi, Badaohe and Smelly Mud Pit to the leaders of Huairou County. At that time, Changshaoying and Labagoumen, which belonged to Luanping, were under the jurisdiction of Hayes County. The county party secretary of Hayes County is Wu Ruiting and Xu successively; The county magistrate is Luo and Guo Xin successively. Housihai County was revoked in August of 195 1. Today, Hayes Town is rich in tourism resources, including the ruins of Hayes City built in the eighth year of Tianshun in Ming Dynasty (AD 1464), the "Nine Eyes Building" Great Wall on the first floor of Wan Li Great Wall, Xigouli Natural Scenic Area, and the "Cliff Carving" in Tianmen Pass. Combined with the rich local tourism resources, six folk tourist villages, including Xigouli, Shi Yao and Dashengling, with 45 households, have been developed. People in Hayes Town are welcoming a better life.