作者：张锦江
　　【Abstract】National English Curriculum for General Senior High School， also called English Key Competence for Senior High School， is published by the National Department of Education in 2017.And it clearly illustrates that the writing skill is listed into five language competence and put forward some new requirements which requires students should at least reach the corresponding key competence of selective compulsory course after graduation， which makes senior high school teachers place central importance on fostering the writing skill of senior high school students. There exist a lot of problems in English writing of senior high school and main teaching writing methodology， the product-oriented approach. It takes no account of students’ motivation and process， but attaches great importance to the product. And it tends to let your mountain in labour bring forth a mouse. Given existence of the problem in English writing of senior high school as well as in view of the instruction of foreign and national theories， this dissertation studies the effect of improving senior high school students’ English writing ability by process writing ability and illustrates the theory background， essence， procedures， and features. In addition， the dissertation studies how the process writing approach has an influence on the improvement of English writing ability of senior high school students. The penman believe that process writing methodology deserves to be applied in English writing approach of senior high school.
　　【Key words】Writing Ability； Process Writing Approach； Senior High School Students
　　【作者簡介】张锦江（1996- ），男，，陕西礼泉人，宝鸡文理学院，本科，学生，研究方向：英语教师专业发展。
　　I. Introduction
　　With the promotion of the Belt and Road and the process of the globalization， writing ability is regarded as an important skill and it is a comprehensive skill of learners’ abstract thinking， information processing， and language expressing（Yang and Ding， 2011： 73）. In virtue of the limitation of language environment and insufficient language input， the English writing ability of senior high school is negative.
　　II. Literature Review
　　1.Brief introduction of English writing ability
　　1.1 The definition of English writing ability
　　English writing ability is a necessary ability for every senior high school students. Generally speaking， English writing ability is a kind of skill that students are able to choose， draw， process and integrate the accumulating knowledge.