Background: Postmortem care is basic skills of nursing, however, few attention focused to this issue. Purpose: This study was to investigate nursing teaching effectiveness of implementing discs to enhance the cognition scores. Methods: This study used cross-sectional study design and semi-structured questionnaires. Total 69 participants was received 2 hours postmortem care teaching program. Data collection before and after during the completed program period was conducted. Results: The results showed there were no significant difference (2.99, 3.96) on "implementation of willingness" (p = .15); however, "cognitive scores" (3.35, 3.80) (p =.001) ,"importance" (4.03, 4.63) (p =.001),were significant differences between before and after in the postmortem care teaching program. Postmortem care awareness is important predictor. The "frequency of nursing care experience", "implementing willingness", "through friends and relatives dying experience", "cognition", and"working units" were five predictive variables used to explain 67% of variances. Conclusion/Implication for Practice: The results could be used as references of education and training program postmortem care for clinical nursing staff.