[Objective]This paper discussed the causes and impacting factors in the evolution of the Luoma Lake to provid a basis for the rational development of the lake and the sustainable use of its water resources. [Methods]Based on the chronical data published in articles of the past five hundred years,and statistical and digital analysis was used.[Results]The dredges of Jia canal,middle canal and other water systems promoted the development and rehabilitation of Luoma Lake.There is a strong consistency in occurrence years between Luoma Lake siltation and Yellow River flooding.The reclamation of Luoma Lake was gradually intensified after Jiaqing era in the Qing Dynasty.The climate of the Luoma Lake area changed alternately in wet or dry weather and the wettest period occurred from 1720 to 1765 throughout the nearly 500 years.[Conclusion] The change of hydrological regime in the basin is the determinant factor of the lake evolution,besides that, the climate change and reclamation of beach also contribute to it.Importantly,the peculiar social value is potentially the virtual reason that is responsible for it.