This thesis discussed about teaching writing of recount text using writing assignment. Nowadays, students have very little interest in writing which is so important to fulfill education requirement. Students are not only lack of vocabularies but also lack of ideas and practices. It makes students feel difficult to write. The objectives of this thesis are to explain the implementation of teaching writing of recount text using writing assignments and to identify the supporting and inhabiting factors of teaching writing of recount text using writing assignments. The design of this research is descriptive qualitative. Techniques of collecting data of this thesis are observation, interview and documentation. Technique of data analyzing of this thesis are reducing data, presenting data and drawing conclusions. This thesis was conducted in SMPN 11 Semarang at the eighth grade B in the academic year of 2017/2018. Assignment is one of practicing to improve the students’ writing. Diary is one of writing assignments which the teacher uses as strategy to improve the students’ ability in writing. Diary is a daily record about experiences, feelings and events. In the implementation of teaching writing of recount text using writing assignment, teacher asked the students to write diary of their personal experiences such as vacation, holiday, etc. After they have written their diary, the teacher introduced recount text in the classroom, and then students were asked to change their diary in the form of recount text. The students can make diary as one of the form of students writing assignment based on their personal experiences. They can write in the form of recount text well.