PROBLEM TO BE SOLVED: To provide a nerve stimulation device that can perform nerve stimulation having a high therapeutic effect while suppressing the occurrence of a side effect.SOLUTION: A nerve stimulation device 1 for treatment by stimulating a nerve Vn of a living body X includes: a stimulus signal generation part 3 for generating a stimulus signal P an application electrode part 4 connected to the stimulus signal generation part 3, which applies the stimulus signal P to the nerve Vn a measurement part 9 installed in the living body X for measuring an activity of the living body X caused by a side effect accompanied by the application of the stimulus signal P and a control part 10 for adjusting the strength of the stimulus signal P issued by the stimulus signal generation part 3 based on the activity measured by the measurement part 9.COPYRIGHT: (C)2013,JPO&INPIT【課題】副作用の発生を抑えつつ、治療効果の高い神経刺激を行うことができる神経刺激装置およびその制御方法を提供すること。【解決手段】生体Xの神経Vnを刺激して治療を行なう神経刺激装置1であって、神経刺激信号Pを発生させる刺激信号発生部3と、刺激信号発生部3と接続され神経Vnに神経刺激信号Pを印加する印加用電極部4と、神経刺激信号Pの印加に伴う副作用に起因する生体Xの活動を計測するために生体Xに設置された計測部9と、計測部9によって計測された活動に基づいて刺激信号発生部3が発する神経刺激信号Pの強度を調整する制御部10とを備える。【選択図】図1