A retention of fillers during papermaking is very important process and a critical element. In the past decade, PCC has had more affect on paper fillers than any other filling pigment. PCC included a higher brightmess, better opacity, improved printability, better smoothness is desired today, study to improve retention of filler is achieved much. The experiment for surface modified of pulp was in order to increase the retention efficiency and in addition to a cost advantage, these fillers needed to improve retention conditions. It's ma help progresses in various high value products.