Objective:To deeply understand the psychological experience of depression adolescents with suicidal ideation.Methods:This was a qualitative study. From June to August 2022, purposive sampling was used to select 18 depression adolescents with suicidal ideation who visited the Children and Adolescent Mental Health Joint Clinic of the Affiliated Hospital of Hangzhou Normal University as the research subject. We conducted semi-structured interviews with adolescents, and applied the Colaizzi 7-step analysis method to summarize and extract themes.Results:A total of 2 themes were summarized, including the accumulation of negative sensations and cognition promoted suicidal ideation (unbearable negative emotions, lack of understanding and care, one-sided understanding of life and death) , and having connections, attention, and awe could reduced suicidal ideation (with concern and constraint, fear and awe of death, attention from others and immediate feedback) .Conclusions:Medical and nursing staff should attach great importance to the psychological feelings of depression adolescents with suicidal ideation, and construct effective management methods for the psychological rehabilitation of adolescents.