The scholars had not paid enough attention to the genealogy in the Han Dynasties, because only Family tree and genealogical tree written by private person were regarded as genealogy works by them.

• 两汉时期的谱牒学在谱学发展史上没有引起学者们的足够重视,原因在于这些学者认为只有私家之家谱、族谱才算是谱学著作。