A brief historical introduction of researches on perspective in ancient China is presented, this paper studied and discussed the perspective theory or Zong Bing (宗炳) in the 5th century of China, including Zong Bing and this An introduction to Landscape Painting, and its mathematical basis, drawing ideas of Zong Bing as well . A brief historical introduction of researches on perspective in ancient China is presented, this paper studied and discussed the perspective theory or Zong Bing in the 5th century of China, including Zong Bing and this An Introduction to Landscape Painting, and its mathematical basis, drawing ideas of Zong Bing as well.