The invention relates to a teaching and examination-taking all-in-one machine. The teaching and examination-taking all-in-one machine comprises an examination-taking table and a computer, wherein the examination-taking table comprises a support board, a support cabinet, an examination-taking platform and a baffle mechanism, wherein two ends of the examination-taking platform are respectively connected with and supported by the support board and the support cabinet, the baffle mechanism comprises three baffle plates and three hinge pieces, the three baffle plates are rotatably arranged on three side edges of the examination-taking board through the three hinge pieces. The computer comprises a host as well as an examination paper display screen, a keyboard and a mouse which are electrically connected with the host, the host is contained in the support cabinet, the examination paper display screen, the keyboard and the mouse are arranged on the examination-taking platform, and the mouse is provided with an fingerprint acquisition module. The teaching and examination-taking all-in-one machine has good universality.