Objective To investigate the psychological distress of patients with breast cancer in the early stage of treatment and its influencing factors so as to provide evidence for clinical decision-making. Method A total of 193 breast cancer patients in the early stage of treatment participated in the investigation by a self-designed general information questionnaire and distress Thermometer from April 2018 to August 2018. Results In the early stage of breast cancer treatment, the score of psychological distress was (4.47±1.41). 74.1% of them had psy...