After the Patient Autonomy Act implementation, doubtlessly made changes to the medical officers in the Medical Intensive Care Unit whom faces the decision making of life-sustaining treatment to terminally ill patients for a long time. The previous experience should be obtained as a reference for the execution, and hence this study aims to identify the current situation and limitations of the implementation of the hospice palliative care by recommending the published papers from the Medical Intensive Care Un it in our hospital. This study also analyzes how the Patient Autonomy Act will affect the medical officers in the future to effectively promote the Application of Advance Care Planning (ACP) and assist the patients to dismiss life -sustaining treatment as an act of respecting their autonomy and their wish of good death.