Abstract: Objective To explore the differences of accompany needs in ICU unattended ward among patients, families and nurses, and provide guidance to the reform of ICU unattended ward or the implementation of unattended ward in other department. Methods There were 298 patients, 356 family members and 63 nurses recruited from Intensive Care Unit of Zhejiang Hospital in Hangzhou between May and September 2017 by convenience sampling. The Inpatients Accompany Needs Questionnaire was used to collect data. Analysis of variance and SNK pairwise comparison were used for statistical analysis. Results The cognition of accompany needs in patients, families and nurses were different (F=4.091,P<0.05). The score in families was higher than families and nurses (P<0.05). The differences were mainly in physical needs and esteem needs subscales. Families' score of physical needs was higher than patients and nurses. Scores of esteem needs in families and nurse were higher than patients. All the top score in subscales is physical needs, lowest score is self-actualization needs subscale. The rankings of safety needs, love and belonging needs and esteem needs subscales were different, safety needs>esteem needs>belongingness and love needs in patients, and esteem needs>safety needs> belongingness and love needs in families and nurses. Conclusion There are differences of accompany needs cognition in ICU unattended ward among patients, families and nurses. These differences should be emphasized and corrected in the promotion of unattended ward and establish the most suitable unattended ward system.