Writing in English is a significant challenge for students of information Technology who study English for Specific Purposes (ESP). This study examines common writing difficulties faced by IT students in the Faculty of Computer in Azzawia, Libya, focusing on grammar, vocabulary, coherence, and technical terminology. Using qualitative content analysis, students written assignments were analyzed to identify recurring patterns and errors. The findings reveal that students struggle with sentence structure, appropriate use of vocabulary related to IT, and over all organization of idea. These challenges affect their ability to communicate effectively in academic and professional settings. The study suggests target instructional strategies to improve students' writing skills and bridge the gap between technical knowledge and linguistic proficiency....................... Keywords:................ Professional, Purposes, Specific, Syntax, Critical thinking, Coherence & cohesion, Proofreading.