This thesis puts forward the concept of the digital diagnosis technique and the concrete content of TCM. According to the development in mordern science,it is conceived that the key technique of the biological identification is probably used in the diagnosis of TCM in the future,including the face identifying technique,the iris examining technique,the fingerprint and the lines of the palm identifying technique,the lines of palm identifying technique,the picture analyzing technique,the voice identifying technique,the smell identifying technique about electronics nose,the technique of nerve netw...