Abstract: Based on the theory of Huangdi Neijing and Nanjing and combined with long- term clinical practice and the understanding of human qi movement theory,Prof. LIU Baohe,innovatively put forward that the extraordinary fu organs and eight extraordinary vessels are congenital while the five zang organs and six fu organs are postnatal,and that the formation of malignant tumors is due to congenital problems which are extraordinary diseases caused by the overflow of extraordinary pathogens. In clinical treatment, patients should be treated based on the specific clinical situations and combined with congenital and postnatal factors.