Choose about 100 low -age nurses who have been in the ICU in 2022, and conduct a scoring score of the survey and critical thinking skills through the schedule. Based on the survey and scoring results ,Formulate the PDCA circular management process and conduct a judgment of critical thinking skills after intervention.To compare the critical thinking skills survey score before and after.

Through the countermeasure 1-ABC rescue training: Clarify the positions and perform their duties; Countermeasure 2-Advanced Life Support (ACLS) training: Clear division of labor and strengthen the cooperation Tune; Countermeasure 3-Objective Structural Clinical Test (OSCE Exam): Objective, orderly, and organized assessment. The framework and group competitions are evaluated to promote teaching and other measures.The comparison experimental objects use the data of the two questionnaires before and after the PDCA cycle management. Explore the application effect of PDCA circular management within five years of employment.

Inclusion Criteria: (1) ICU nurse within five years of joining the ICU

(2) Voluntary participation in this study.

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Exclusion Criteria:(1) Clinical nurses who have worked for more than 5 years

(2) Involuntary participation in this study.

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