Founded in 1946, the Department of Architecture is the predecessor of the current School of Architecture. The department, currently, is mainly responsible for architectural and relevant courses and providing bachelor, master and Ph.D programs. By the end of 2012,there are 44 full-time teachers in the department with five research orientations. These are, firstly, Architectural Design and Theory, which includes Architectural Design, Design Theory and Criticism, Theater Design, Expo Architecture Design and Campus Planning; secondly, Architectural Design and Technology, which includes Parametric Design, Green Architecture and Architectural Tectonics; thirdly, Architectural Design and Society, Culture, Art, which includes Regional Architecture, Architectural Design for the Aged and Building Programming; fourthly, Urban Design and Theory, which includes Urban Design, Urban Design theory and Urban Aesthetics; and fifthly, Architectural History and Theory, which includes Chinese Architectural History, Foreign Architectural History, Architectural Theory and Architectural Heritage Preservation.

The landscape architecture education in Tsinghua SA started in 1951 with the "garden group", which was jointly organized by Tsinghua Department of Architecture, Beijing Agriculture University and the Construction Bureau of Beijing Municipal Government. The Department of Landscape Architecture was founded in 2003, with Prof. Laurie Olin (Academician of the U.S. Academy of Sciences, former head of the Department of Landscape Architecture at Harvard Univ., professor of U Penn) as the first department head. The department is now mainly responsible for teaching and research in landscape architecture, providing master and PhD programs. By the end of 2012, the Department has 7 full-time teachers in five research orientations: theory and history of landscape architectural, garden and landscape design, landscape planning and ecological restoration, landscape architectural heritage preservation, related technical sciences.