Introduction to Yixinyuan: It was built here by Shaanxi merchants in the Qing Dynasty. It has a hard-mounted tile roof, green tiles sitting on the ridge, and double eaves. There are four floors from outside to inside, divided into front hall, patio, middle hall and main hall. Behind the front hall is a rectangular patio with four wing rooms on both sides, with attic wooden floors above. There is no main entrance from the patio to the middle hall, which is made of brick walls and oval wooden door covers. The doors are opened on both sides with oval door frames for people to enter and exit. The middle hall is commonly known as the "land boat patio". On the left side, there is a stone fish tank from the Guangxu period of the Qing Dynasty. The main door of the main hall has been destroyed. The three characters "Yangxinzhai" were originally written on the door rails. There are two bungalows on both sides, with an attic on the bungalow.