The utility model discloses a curve drawing board for mathematics, including the drawing board body, the inside of drawing board body is equipped with equation data memory and microprocessor, equation data memory and microprocessor electricity are connected, the surface of drawing board body is equipped with touch display screen, touch display screen's below is equipped with the parameter input panel, the touch display screen top is equipped with the reset button who presses the button and be used for resetting the picture that cancels who is used for cancelling one shot operation, elasticity line connection touch -control pen is passed through to one side of drawing board body, be equipped with a groove between touch display screen and the touch -control pen. The utility model discloses a microprocessor calculates and becomes image information with data conversion and shows on touch display screen, and touch display screen still can show the orbit of touch -control pen for modifing or marking the image, can draw the high curve of accuracy fast, it is convenient to modify, saves the plenty of time, effectively improves work efficiency.