The invention discloses a multifunctional computer teaching device which comprises a teaching desk arranged in a classroom and a group of learning desks. A computer mainframe is installed in the teaching desk, the desk top of the teaching desk is provided with a question display screen, a question panel, a mainframe display screen and a control pen, sliding rails are arranged on the lower side of the teaching desk, and a first motor driving the teaching desk to move on the sliding rails is installed at the bottom of the teaching desk. One question inputting screen and one question button are installed on each learning desk, and the question inputting screens and the question buttons are connected with the computer mainframe. The multifunctional computer teaching device has the advantages of achieving classroom teaching and bidirectional communication assisted teaching, obtaining a good teaching effect, meanwhile integrating traditional blackboard-writing teaching means, arousing strong learning interest of students and improving the teaching efficiency.