Marx-Engels-Gesamtausgabe(MEGA)has been the important academic resource for Marxist philosophy studies in China.To promote the Marxist studies today,we should pay special attention to:(1)the editing and researching histories of various Marx-Engels collected works including MEGA;(2)the special theoretical methods of text research on Marx-Engels classical works;(3)a preliminary exploration of research on MEGA in the internal unity of the text,the intellectual history,and the ideology,from four perspectives,i.e.the variation of text structure,the investigation of writing procedure,the differentiation among key concepts,and the reconstruction of intellectual context.