In this paper we propose a new algorithm to rearrange handwriting for Thai online handwriting beautification. First, we segment the line into the right group (Line of tone level, Line of upper level, Line of body level and Line of lower level). Then we calculate the center point of each character by x average and y average value. After that we find the moving path that includes two perpendicular marks at the end of the path. Finally, we adjust Thai handwriting by moving the character up or down along the Moving line. The text's position is changed into the middle point of the Moving line.
