Teacher Li Yongle talks about Feng Shui lecture video.

Teacher Li Yongle takes photos of undergraduates in Peking University to encourage freshmen. There is a colorful story behind him. He used to be an elite in the it field, but he took off his suit and became a teacher standing on the podium. He devoted himself to popular science, which greatly improved the students' grades. Many fans call him Yongle Dadian.

Mr. Li Yongle holds a double bachelor's degree from Peking University and studied as a graduate student in Tsinghua University. Many people will have a bright future when they hear that he has such a high degree. In fact, he encountered many setbacks in the process of finding a job. But in the end he took off his suit and went to the podium to give a lecture. He won the students' love with his humor, and at the same time let more students walk out of the mountain. His course is very popular on the Internet, and it is called Yongle Grand Ceremony.

Teacher Li Yongle encourages freshmen in the photos of undergraduates of Peking University. He is a graduate student in Tsinghua University and a true portrayal of other people's children.

Since childhood, Li Yongle's grades have been excellent, and he has a high talent in mathematics and physics. He won the first prize in the national physics competition and was finally hired by the physics department of Peking University. Later, he applied for an economics course. During his college years, he developed well in all aspects, but with a bachelor's degree from Peking University and a graduate diploma from Tsinghua, he was repeatedly rejected in the job search. Finally, he took off his suit and went to the podium to find his own meaning in life. After becoming a teacher, Li Yongle devoted himself to popular science knowledge. In the eyes of students, he is a teacher who knows astronomy above and geography below.

At the beginning of teaching, the students in Li Yongle's class were the last in the class. Later, he changed his teaching methods to make the class more interesting, and the students' poor grades improved steadily. At the same time, many videos explaining the course were posted on the Internet, which were liked by fans, and at the same time, they made themselves on fire, so that many mountainous areas with rich educational resources obtained high-quality teaching resources, which was called "Yongle Grand Ceremony" by many fans. Li Yongle's educational story can be described by a poem: spring breeze melts rain and moistens things silently.