In the suicide group, unemployed patients accounted for 69.23%, the rate of family history of mental illness was 15.38%, the mean age was 41.97 ± 13.31, the mean duration of illness was 12., 31 ± 9.14, mean age of onset 29.67 ± 11.23, manic episode accounted for 84.62%, 100% untreated or irregularly treated, patients with suicidal ideation stage mania accounted for 84.62%, depression accounted for 15.38%, 48.72% had suicidal ideation day and night, 7.69% appeared at night, average Miller scale of patient group suicidal ideation was 18.26 ± 9.514.