Objective To understand the needs of ICU patients'family members,establish the method of health education oriented to the needs of ICU family members and apply it.Reduce the time of repeated education,so that nurses more time to pay attention to patients,improve the quality of care.Establish a sound electronic health education method to solve the needs of patients'family members,alleviate their anxiety,and enhance the doctor-patient relationship.Methods From December 1,2020 to May 31,2021,family members of patients with initial ICU admission greater than 72 hours were enrolled.The subjects were randomly divided into control group and intervention group according to the time period.December 1,2020 to February 28,2021 as the control group,March 1,2021 to May 31,2021 as the intervention group.Implementation:The control group received routine education,and the intervention group used the video and manual of family members'needs oriented education on the basis of routine education.On the fourth day of ICU admission,family members of the control group and intervention group completed the Chinese version of Family Satisfaction Scale(C-CCFSS)and the second state anxiety scale.Demographic data,state-trait anxiety questionnaire and satisfaction scale of family members of critically ill patients were analyzed,and the differences of anxiety and satisfaction between the two groups were analyzed.Results A total of 97 patients'families were included.completed the Chinese version of the Family Satisfaction Scale(C-CCFSS)and the second state Focal Deficiency ScaleDemographic datastate-trait anxiety questionnaire and satisfaction scale of family members of critically ill patients were analyzedand the differences of anxiety and satisfaction between the two groups were analyzedA total of 97patientsfamiies were included.here were 48 cases in the control group,49 cases in the intervention group,1 case in the control group and 1 case in the intervention group.There were 53 males and 42 females,the age of the control group was(45.69±15.32)years,and the age of the control group was(47.21±16.21)years.There were significant differences in the total scores of state anxiety factor,non-state anxiety factor,trait anxiety factor,non-trait anxiety factor and STAI between the two groups.The scores of family satisfaction between the two groups were statistically significant(P<0.01).The scores of condition assurance factor,information acquisition factor,acceptance factor,support factor and comfort factor were compared between the two groups.However,the general data of the family members of the two groups are different,and the family members of the two groups can let me know the prognosis of the patients,hope to communicate with the doctor every day,the medical staff can answer my questions truthfully,understand the treatment that the patients are receiving,be sure that the patients are receiving the best treatment,be clear about the treatment currently received by the patients,and the medical staff do not avoid the condition.When you can talk to me about the possibility of ineffective death and plan to change the treatment plan,you can be told that when the condition changes,someone can call your family and get information about the patient's condition every day.There is no significant difference in the items(P>0.05).Conclusion E-health education in ICU based on the needs of family members can reduce the anxiety of family members and improve the satisfaction of family members.