Haixin Mountain is commonly known as Huxin Island, and in ancient times it was called Xianshan or Longqi Island. It is called "Quixon Torohai". It is located in the south of Qinghai Lake, about 30 kilometers from the south bank. It is a major tourist attraction in Qinghai Lake. The island is2.3 kilometers long and2.3 kilometers wide, and the area is 1 square kilometers, shaped like a snail shell. The top of the mountain is tens of meters above the lake and about 3,300 meters above sea level. The granite and gneiss of the mountain system are slightly milky white. The sky is sunny and beautiful, and the sea heart mountain is like snow waves floating and spectacular. The environment of Haixin Mountain is elegant, green grass is green, light area thin clouds, fresh water springs, and pleasant scenery.