The paper treated cognition of macrostructures and application of macrorules on text genres. Agreement degree of macrosturctures cognition was different from between the subjects on text genres. Especially significant difference was discovered in the narrative genre. Application of macrorules was different in text genres. Weak deletion and strong deletion were not different in text genres. Generalization was a few dominant aspect in expository genre and construction in narrative. But the limitations were left in limited subjects and survey datum.