In the integration trend, English has become the global language of the world. Currently, over 50 countries use English as their primary language, and nearly 80 countries use English as a second language; English is the most common language in the world in all fields from business, commerce, communication to tourism, diplomacy. Therefore, English language industry increasingly asserted its role. However, the current situation shows that graduates of this discipline work properly and are still weak in thinking skills, teamwork, and communication. The reason is that most schools are not interested in reviewing, editing the detailed program, curriculum, and English language materials to improve the quality of training, and lecturers are teaching English also showed many limitations. The methods of teaching and learning English of schools are still mainly traditional, backward, and natural methods of teaching grammar, vocabulary. There is a tendency to focus too much on specialized English, not English skills. Therefore, schools and the English language training sector need to coordinate unfriendly to develop training programs, improve the quality of teaching staff, and apply active and active teaching methods. The paper focuses on analyzing and proposing an appropriate solution in improving the quality of English language training at Maritime University by the CDIO approach.