1. The doctoral degree of Communication University changed from three years to four years, which is a major adjustment in view of the current environment. Perhaps the four-year doctoral program in China will gradually become the mainstream academic system. On August 3rd, China Communication University held a conference on postgraduate education, which pointed out that postgraduate education will undergo major adjustment and reform, with the aim of improving the quality of postgraduate education. 202 1 level, in enrollment, professional setting. And adjust the extension of doctoral degree. Second, the specific reforms are as follows: Communication University plans to extend the academic system of doctoral students in Communication University from the original three years to four years from the grade of 20021,and the longest effective study period will be changed from the original eight years to six years, and a basic literature reading and inspection mechanism will be established. Through this reform, Communication University will shut down 17 major directions and merge, transfer and adjust 47 major directions. In order to achieve the predetermined goal. Chen Wenshen, the reason for the educational reform of Communication University, bluntly said that although Communication University has trained a lot of talents for the country for more than 40 years, but? Postgraduate education also has outstanding problems in discipline and specialty setting, enrollment, training, quality of dissertations, quality control, tutor level and sense of responsibility, which need to be reformed urgently. Third, in recent years, the domestic doctoral education system has gradually changed into a four-year system, which has almost become the norm. According to the data released by the Ministry of Education, in 2003, the delay rate of doctoral students was about 46.5%, and by 20 18, the delay rate had reached 64%. This data shows that more than 60% doctoral students can't graduate normally. According to the national database of doctoral degree winners, the average study period of doctoral degree winners in China is 4.3 years. It seems difficult to graduate with a doctorate in three years. Just like this, the doctoral education system in China will become normal in four years. Therefore, the extension of doctoral education system can be regarded as good news for doctoral students and will be beneficial to their graduation.