Objectives: To study the changes in blood sugar,electrolyte and vital signs after hysteroscopic surgery,in order to guide clinical operation and prevent the occurrence of complications. Methods: 60 patients with submucosal myoma of uterus in the obstetrics and gynecology department of our hospital,aged between 50 to 65 years old,received hysteroscopic operation. The blood glucose( Glu),potassium( K^+),serum sodium( Na^+),serum chloride( Cl^-),calcium( Ca^2 +),heart rate( HR),mean arterial pressure( MAP) before and after opera...