The purpose of this material is to prove the applicant's English proficiency level, and it is usually used in situations where English proficiency proof is required, such as applying for study abroad, immigration or job hunting. IELTS is the most widely recognized English language proficiency test in the world. It is divided into four parts: listening, reading, writing and speaking. Passing the test can get a comprehensive score to evaluate the applicant's English proficiency. Depending on different requirements, applicants may need to achieve a specific IELTS score to obtain the corresponding opportunity or qualification.