The cave got its for the seven peaks supposed to resemble the star pattern of the Big Dipper constellation nearby - four peaks in the north are called Putuo Hill, three in the south are called Lunar Hill. The famous Seven Star cave is just located at the halfway the Putuo Hill. The cave is famous for its stalactites of various shapes inside. The cave is divided into three parts. The upper part is so high and steep that one can hardly reach while the lower part is an underground river channel. The middle part, an 814-meter-long tunnel, with the widest place of 49 meters and the highest of 27 meters, serves as the main touring area. the temperature in this cave remains 20 centigrade degree all the year round, providing a comfortable condition for visitors. Since Sui and Tang dynasties, the cave has been a favorite tour resort, and many visiting poets, writers, scholars and nobles once left their inscriptions on the wall. Taking the shapes of stone column, curtain, stalagmite and animals, the cave leads visitors into a marvelous world. Now, artificial lighting system was equipped in this cave to fully display the enchanting scenes to visitors.