Grammar plays a vital role in English for Specific Purposes (ESP), helping students communicate effectively in their specialized fields. Tailored grammar instruction focuses on structures relevant to professional contexts, such as formal reports or technical presentations. This approach ensures ESP learners develop the precision and clarity needed for success in academic and professional environments. This article explores the critical role of grammar in English for Specific Purposes (ESP) education, emphasizing its importance for learners aiming to succeed in specialized professional or academic fields and then gives some suggestions to improve the teaching and learning of grammar for ESP students.Grammar plays a vital role in English for Specific Purposes (ESP), helping students communicate effectively in their specialized fields. Tailored grammar instruction focuses on structures relevant to professional contexts, such as formal reports or technical presentations. This approach ensures ESP learners develop the precision and clarity needed for success in academic and professional environments. This article explores the critical role of grammar in English for Specific Purposes (ESP) education, emphasizing its importance for learners aiming to succeed in specialized professional or academic fields and then gives some suggestions to improve the teaching and learning of grammar for ESP students.