Abstract: Objective: To improve qualified rate of inpatient emergent blood sample transportation and to ensure clinical nursing quality. Methods: We established Quality Control Circles to improve transportation link of inpatient emergent blood sample. Results: Qualified rate of inpatient emergent blood sample transportation significantly increased from 21.20% to 81.12%(P<0.001). Conclusions: Implementation of Quality Control Circles could motivate personnels' initiative, standardize working behavior, improve working quality and increase qualified rate of inpatient emergent blood sample transportation.