RESUMO
Objective To study the characteristics of tongue pictures of the terminal stage patients of colorectal cancer.Method The changes of tongue pictures of 7 patients of the terminal stage and 62 patients of non-terminal stage were observed by The System of Tongue Inspection of TCM,then the tongue proper and coating RGB(redness,greenness,blueness) values were measured.Results In the group of the terminal stage patients,light red and red tongue proper were more,yellow thick tongue coating and without tongue coating were more.Red tongue proper and yellow thick tongue coating were more in the other group.In the group of the terminal stage patients' tongue proper,G values were lower,B values were lower(P0.05).Conclusion The tongue proper and coating of the terminal stage patients of colorectal cancer have certain characteristics.