The invention provides a projector for management science teaching. The projector comprises a base. The upper surface of the base is connected with a frame through telescopic supports. The inner two sides of the frame are respectively provided with a shaft rod. Each shaft rod is sleeved by a shaft tube. The shaft tubes at the two sides are fixedly connected with a board body. One lower edge of theboard body is provided with a pin hole. The pin hole is internally provided with a pin. The pin is sleeved by a cylinder spring. One end of the pin is provided with a stop block, and the other end ofthe pin extends to the outer side of the frame and is connected with a handle. The upper end of the front surface of the board body is provided with a rectangular groove. The groove is internally provided with a magnet strip. The upper edge of the groove is hinged with a metal strip through a rotation shaft. The back surface of the board body is provided with a projection screen. The projector integrates multiple functions, is convenient and fast to use, not only can realize projection teaching but also can realize a teaching display and handwriting function, is simple in structure and flexible to use, and can reduce labor intensity of teachers and improve learning interest of students.