Abstract: This paper aims at establishing the writing motivation rank,predominating in life necessities,emotional need,aesthetic need,and employing "afforestation" as the personal writing motivation system.It is to develop the guiding and teaching of psychological problems and reach the personal cognitive abilities so that students can promote effects of “afforestation” automatically in personal writing psychology.Applying the teaching strategy of “five-step promotion” is to optimize the“afforestation” progress in teaching personal writing.Contemporary college students’ oriented as they are,the three of them establish the three-dimensional “afforestation” system of personal writing.The first one is the basis and the premise,the second one the essence and the difficult point,and the last one the key and stress.

Key words: contemporary college students;personal writing;afforestation system, three-dimensional establishment