Introduction to Sun Yirang's former residence: Sun Yirang's former residence was built in the 15th year of Guangxu's reign in the Qing Dynasty (1889). It covers an area of ​​about 2980 square meters. It faces south and has three entrances, namely the foyer, flower hall, main building and The left and right wing buildings are now the Ruian Folk Cultural Relics Exhibition Hall and the Sun Yirang Memorial Hall respectively.