【Objective】To investigate the effects of sevoflurane and propofol anesthetics on the autonomic nerve function during induction of anesthesia.【Methods】Eighty patients with surgical treatment were included. All the patients were divided into two groups, and some were given sevoflurane anesthesia(sevoflurane group) and others given propofol(propofol group). The systolic pressure, diastolic blood pressure, heart rate, heart rate variability were observed 10 min before anesthesia(T0), immediately after induction...