Abstract: Mr WEN Gong-yi's Mo-bian logical study mainly includes three parts. Firstly, he studied Mo-jia logics system according to normal logic structure. Then, he distinguished Mo-jia logical theory from logical use. Finally, he convinced that Mo-jia logic belongs to intensive logics. Confronting with the former Mojia logic study. He demanded that the researcher must observe the rule of history and logical unity, explain Chinese logics development's true history, analyze the social and objective cause of those prob...