According to CCtalkAPP's inquiry, Brother Tian Tian's 25-day postgraduate entrance examination class officially started on March 25th, 2023. Brother Tian Tian's 25-step postgraduate entrance examination course is a postgraduate training course, which is taught by Brother Tian Tian and covers the systematic courses of postgraduate mathematics, English and politics. The course is mainly taught by live broadcast, supplemented by playback and recording, with the characteristics of large class teaching and small class service, aiming at helping candidates improve their postgraduate entrance examination results.