Abstract: Using electronic variable character button(it is a button made by mounting a matrix symbolic display on the ordinary button)a new convertible page's Chinese specific typewrier keyboard can be made.By pressing different selective buttons on the keyboard,different keyboard pages(a suite of characters consisting of 200 characters)can be shifted on the keyboard for typewriting with whole word input method.Chinese electronic typewriters using this kind of keyboard not only may remain advantages of exemption from learning coding rules,one-word-for-one-button and high input speed,but also make the total amount of buttons decrease greatly,reaching the degree of middle-sized keyboard.