The ancient city of Huizhou, also known as the ancient city of Jixian County, is called Xin'an County. It is located in Huicheng Town, Jixian County, Huangshan City, Anhui, and covers an area of 24.7 square kilometers. The ancient city was built in the Qin Dynasty, and since the Tang Dynasty, it has been the seat of Huijun, Prefecture and Fuzhi, so the county and Fuzhi are in a city, forming a unique style of the city set. The ancient city of Huizhou is the birthplace of "Huixue", one of the three major local schools in China, and is known as "the state of Southeast Bolu and Etiquette". The ancient city of Huizhou is divided into inner cities and outer contours, with 4 gates from east to west to north. In addition, it also retains the city, city gate, ancient streets, ancient alleys, etc.