<p>Due to the effect of many years of traditional teaching methods, College English writing teaching pays too much attention to grammar and equivalence at word or clause level, but ignores cohesion and coherence of the text as a unified whole. This paper mainly studies the problems concerning cohesion and coherence that most students in Ordos Institute of Technology(OIT) face in writing, reasons, and ways to help students exploit cohesive devices properly to ensure the coherence of the text and improve their writings.</p>