Introduction to the Celebrity Hometown: The Celebrity Hometown is composed of the former residences of the "Three Fans" of Huai'an historical and cultural celebrities (Brothers Fan Weizeng, Fan Shaozeng, Fan Xizeng and their grandfather Fan Mian) and the former residence of Cheng Xinnong, an academician of the Chinese Academy of Sciences and a famous Chinese medicine expert. The original address of the former residence is No. 272 ​​Dongchang Street, Qinghe District. The original building was demolished due to old city reconstruction, and then it was basically rebuilt in its original form, with a total of two rooms and six rooms.