This paper includes a current evaluation as well as a course layout. English for unique functions (ESP) within the subject of ELT (English Language Teaching), 2) the characteristics of teachers and students in ESP, and 3) the demanding situations associated with the trainer, pupil, surroundings, and other factors in ESP teaching. The ESP in ELT refers back to the particular English language necessities of the target learners or scholars. It describes the coaching of a certain English genre for college students with a defined set of targets that is geared in the direction of and concentrated on English teaching and studying. Based totally on an assessment of desires, targets, and the sports requiring English, ESP is created and advanced. Positive duties as a trainer, such as asking college students to develop study goals, creating a supportive environment, getting to know their surroundings, and assessing college students' progress, are all approaches to shaping publications. At the same time, getting to know techniques that are properly designed, difficult-to-remember know-how, and a specific ardor for learning are all associated with newcomers. Within the implementation of ELT, there are challenges and issues related to the instructor in coaching ESP, inclusive of the poor quality of the lectures and textbooks, the lecturers' inadequate qualifications and teaching strategies, and the absence of a theoretical framework for coaching ESP. difficulties relating to the students, such as their demographics, the demands of learning ESP, their English skill ability, the differences between their native tongue and other languages, their loss of vocabulary, their reliance on dictionaries, and their lack of know-how of how to use dictionaries, particularly ESP phrases. while the environment-associated challenges consist of a shortage of educational substances, courses with an excessive number of students, and a heavy emphasis on exams.