Abstract:
The ability of writing without errors is very necessary to EFL learners, particularly university students who they face some difficulties in composing correct text without errors .This study aims to identify university students writing errorsand take into the account the origin of the problem.in addition to provide teachers with some suggestions. The study is adopted descriptive analytical method.Data is collected by using two instruments: questionnaire to (40) EL teachers from different universities and a test to (80) university students (University of Science and Technology, Omdurman) .The findings revealed that students commit errors in spelling, syntax and lexical-semantic, and this due to origin causes of the problem such as overgeneralization, mother tongue interference in addition to other some teaching -learning strategies.