The symbol of Tsinghua Celebration is isomorphic with the representative building of the school: the shape of the auditorium combined with Arabic numeral "100". Above the sign is the shape of the auditorium dome, just like the rising sun; The arch of the triangle in the middle of the symbol is pyramid-shaped, which symbolizes that Tsinghua University is at the top of the academic circle and shoulders the historical mission of cultivating top-notch innovative talents. The color of the sign comes from the brick red of the auditorium building. The whole logo is concise and solemn, with clear meaning and strong recognition.

The dome of the auditorium above the sign is shaped like the rising sun, which means that Tsinghua is still full of youthful vitality like the sunrise for a hundred years; The arch side of the triangle in the middle of the sign is pyramid-shaped, which symbolizes that Tsinghua University is at the top of the academic world and shoulders the historical mission of cultivating top-notch innovative talents; The color of the sign comes from the brick red of the auditorium building.