Abstract: According to the fact that the electronic screen just needs a frame "8"to denote the 10 numbers from 0 to 9,it is attemped to take the numbers as a whole to be put to the frame "8"and then recognized.This text is put forward accoding to the tradional recognition method,the beeline is used to project while bias used in tradional recognition method.Projection is made to each frame of the frame "8"according to the shell character of the digit,and hand-writing numbers are changed to standard seven segments frame numbers,which can predigest the distilling of the feature of the number.Compare to the tradional recognition method,this one can be carried out much more easily.Its validity is proved in our experiment.

Key words: digit recognition； frame "8", projection；