PROBLEM TO BE SOLVED: To provide a vital measuring instrument which is excellent in portability, and for which a fluid bag is downsized and thinned.SOLUTION: A vital measuring instrument 10 includes: a fluid bag 20 in which a fluid is enclosed, and on which a subject can be placed a detection part 50 for detecting pressure variation inside the fluid bag accompanying the respiratory movement of the subject placed on the fluid bag and pressure fluctuation inside the fluid bag by the body pressure of the subject applied to the fluid bag, via the fluid a measurement part for measuring the respiratory rate of the subject and the body pressure of the subject applied to the fluid bag on the basis of the pressure variation detected by the detection part and a display part 31 for displaying the respiratory rate and the body pressure measured by the measurement part and at least one of the pressures inside the fluid bag detected by the detection part.COPYRIGHT: (C)2014,JPO&INPIT【課題】流体袋の小型化および薄型化が図られた携帯性に優れるバイタル計測器を提供する。【解決手段】バイタル計測器10は、流体が封入され、被検者が載置可能な流体袋20と、流体袋に載置された被検者の呼吸運動に伴う流体袋内の圧力変動、および流体袋に掛かる被検者の体圧による流体袋内の圧力変動を、流体を介して検知する検知部50と、検知部が検知した圧力変動に基づいて、被検者の呼吸数と流体袋に掛かる被検者の体圧を計測する計測部と、計測部が計測した呼吸数および体圧、並びに検知部が検知した流体袋内の圧力の少なくとも一方を表示する表示部31とを有している。【選択図】図2