Objective       To investigate the accuracy and practicability of pulse hemoglobin using continuous noninvasive hemoglobin measurement to provide reference for perioperative blood transfusion management.       Methods       Forty patients

at American Society of Anesthesiologists grade (ASA) Ⅰ or Ⅱ who undergoing elective abdominal surgery in our hospital during May to June 2012 were enrolled in this study. Time-matched pulse hemoglobin (SPHb) and total hemoglobin were measured respectively with Masimo Radical SET and automatic blood analyzer

and the results were compared to access their relevance and consistency.       Results       Based on obtained 180 pairs of data (tHb/SpHb)

Pearson correlation analysis displayed that tHb and SPHb were in good correlation （r=0.894）. Bland-Altman analysis showed SpHb to tHb values were in good consistence

with a range of -1.3 to 2.2 g/dl.       Conclusion       Continuous noninvasive hemoglobin measurement is an accurate method to monitor hemoglobin level

with better timeliness compared with conventional intermittent blood sample analysis. It is helpful in blood management during surgery.