Does the subject want to ask, "Is Tao Yongji's lecture legal?" ? Yes According to China HowNet, it is legal for Tao Yongji to give lectures, and the layman Tao Yongji was an active scholar, artist and lecturer in Qing Dynasty. Tao Yongji's main contributions are in the fields of culture, calligraphy and painting, poetry and health practice. Known as "the first calligrapher in the world" and "the pioneer of hundreds of calligraphy and painting".