About author:LI Shi-zheng（1940－）,male ,native of Jinan ,Shandong ,a professor of Shandong Normal University ,en- gages in algebra and operational research；LI Shan-hai（1977－）,male ,native of Linyi ,Shandong ,a graduate student of Shan- dong Normal University ,engages in algebra .
LI Shi-zheng, LI Shan-hai, YU Xiao-ming. The Least Distributive Lattice Congruence on Commutative Distributive Semiring[J]. Chinese Quarterly Journal of Mathematics, 2003, 18(1): 35-37.
