Does the subject want to ask, "Does the doctor of Nanjing Normal University have a high gold content?" ? Tall man. Official website of Nanjing Normal University shows that Nanjing Normal University has a small number of doctors, strong professionalism, low social competition pressure and high gold content. A doctorate is a postgraduate degree awarded by universities and other educational institutions. Generally, it is the highest degree, the basic study period is 3-4 years, and the longest study period is 8 years.