PROBLEM TO BE SOLVED: To objectively and adequately measure a sympathetic skin response of a subject.SOLUTION: A sympathetic skin response measuring apparatus includes: a stimulation electrode 30 and a measurement electrode 11 adapted to be applied to a living body； a stimulation power supplying section 10 configured to supply a power for stimulating only C fibers in the living body, to a stimulation electrode 30； an SSR measuring section 20 configured to measure information of a sympathetic skin response based on a signal obtained from the measurement electrode 11； and an outputting section 21 configured to output the information measured by the SSR measuring section 20.【課題】被験者の交感神経皮膚反応を客観的に適切に測定する。【解決手段】生体に貼着される刺激電極３０及び測定電極１１と、刺激電極３０に対し、前記生体におけるＣ繊維のみを刺激する電源供給を行う刺激電源部１０と、前記測定電極１１から得られる信号に基づき、交感神経皮膚反応の情報を測定するＳＳＲ測定部２０と、前記ＳＳＲ測定部２０により測定された情報を出力する出力部２１とを具備する。【選択図】図１
