Hypotension control in anesthesia is a method that can actively lower blood pressure, adjust blood pressure during surgery, and then easily restore blood pressure to its original level. The purpose of hypotension control is to reduce bleeding at the surgical site, creating favorable conditions to limit blood loss during surgery.

Monitoring arterial blood pressure is a necessary operation in nursing and patient care. Based on the results of arterial blood pressure measurement to judge the health status before and after treatment.