Objective To explore the significance of non-neoplasma touch and neoplasmacide technology on cancer of colon D_3 radical correction.Methods 67 cases of cancer of colon D_3 radical correction were selected from 1998 January to 2003 March.They were treated with non-neoplasma touch and neoplasmacide technology and their curative effect were compared with the control group treated with D_ 1～2 modus operandi and without non-neoplasma touch and neoplasmacide technology.Results In the treatment group,no complication appeared after the operation.All cases cured.After 3 years follow-up,the recurrence rates were 34.9% in the control group and 14.9% in the treatment group.It had significant difference(P