This study aimed to explore the impact of personality trait and professional identity on work-related depression, anxiety, irritation among Chinese nurses. Hospital nurses are known to work in stressful environment, which may lead to depression, anxiety and irritation symptoms. Few studies have been done to address this problem from the perspective of personality trait and professional identity in Chinese nurses. This was a cross sectional study. Data were collected from twenty hospitals of Hunan Province, in central China. The instruments used in this study were Eysenck Personality Questionna...