Abstract: The paper summarizes the medication rules of Professor Zou Yanqin, a master of traditional Chinese medicine, in the treatment of membranous nephropathy by "sweet supplementation and bland percolation method". Professor Zou believes that spleen and kidney deficiency and damp-heat stasis are the basic pathogenesis of membranous nephropathy. The pathogenesis evolves in a complex way, leading to a variety of syndromes. Invigorating the spleen and kidney, clearing away damp-heat and removing blood stasis are the key to treatment. Therefore, she follows the concept of the "harmonizing method and gentle treatment" of the Menghe Medicine School and takes the "sweet supplementation and bland percolation method" as the basis of all treatment principles for membranous nephropathy. This article systematically expounds Professor Zou Yanqin's thinking and prescription rules for treating membranous nephropathy using the "sweet supplementation and bland percolation method" from three aspects: sweet and warm to tonify qi, sweet and cool to moistening, and bland flavor to promote diuresis and facilitate fluid expulsion.