Objective:To observe the influence of post-operative early enteral nutrition(EEN) for oral tumour patients.Methods:Sixty patients with oral tumour were randomly divided into EEN group (30 cases) and tradition enteral nutrition(TEN) group (30 cases). The nutritional support with Nutrision fiber started within the first 12~16 h post-operatively in EEN group, The enteral feeding started within the recovery time of the gut function in TEN group. Nutritional parameters were measured before and after the operation. Results:The mean hospitalization days in EEN group and TEN group were 10.14?1.58 and 15.29?3.26 respectively(P