Idiopathic membranous nephropathy is one of the common pathology of nephrotic syndrome.Traditional Chinese medicine is in some measure advantageous to its treatment.In professor Wang Baokui's view，the nature of idiopathic membranous nephropathy is deficiency in the root and excess in the superficiality,the main pathological mechanism are kidney deficiency and wind as a pathological factor,and the basic treating method should be tonifying kidney and expelling wind.Radix astragali,corni froctus,rhizome dioscorea nipponica are usually used clinically.During the remitting stage of idiopathic membranous nephropathy,special attention should be paid to the prevention of respiratory tract infection.The curative effect is clinically proven to be outstanding,enriching the treatment methodology based on pattern differentiation of idiopathic membranous nephropathy.