ObjectiveTo explore the effect of "HIS" nursing service mode in promoting the quality of clinical nursing service for key specialties in the department of gastrointestinal surgery. MethodsIn the Department of Gastrointestinal Surgery, West China Hospital of Sichuan University, "HIS" nursing service mode was carried out on January 1, 2012.Questionnaires surveying hospitalized patients' satisfaction before (n=360, between January and December 2011) and after (n=360, between January and December 2012) the implementation of "HIS" nursing service mode were retrospectively compared and analyzed. ResultsThe patients' general satisfaction score was improved significantly from 83.27±5.71 to 97.92±6.23 after the implementation of "HIS" nursing service mode (t=-8.001, P < 0.05).For all the 14 items in the satisfaction questionnaire, the differences before and after the implementation had statistical significance (P < 0.05). ConclusionThe "HIS" nursing service mode can effectively improve patients' satisfaction of clinical nursing service for key specialties in the department of gastrointestinal surgery, and it is worthy of further promotion.