English, the doctoral defense of Macau University of Science and Technology is mostly in English, because if all the references used are in English, it will be more accurate and rigorous to write papers and express them in English.

Of course, you can also use Chinese, which is a traditional Chinese character. If the tutor can understand Chinese, there is no big problem. You are free to choose the language of your defense.

It is still difficult to get a doctorate, which is the highest degree at present. Compared with the previous bachelor's degree and master's degree, the difficulty will be more advanced and more difficult.

Doctoral degree marks a person's ability to produce original results or academic ability, and it is the highest degree at present. Having a doctorate or equivalent academic ability means that a person has the ability to enter the academic stage from the learning stage. The ability to produce original results or academic ability is the core connotation of doctoral degree, and it is also the most essential feature of people with doctoral degree.