Provided is a juice extractor, a juice extractor body and flexible blade therefo that can provide enjoyment to people when extracting juice from fruit or the like and when drinking fruit juice obtained by juice extraction; and that has the structures which are simple and can be put into practical use. The juice extractor includes: rotating shaft 21; flexible blade 23 arranged around rotating shaft 21 with a longitudinal direction thereof being coincident with an axial direction of rotating shaft 21; and blade guide 25 provided at an intermediate position of the longitudinal direction of flexible blade 23. One end 23a in the longitudinal direction of flexible blade 23 is configured to be slidable in the axial direction of rotating shaft 21, and the other end 23b in the longitudinal direction of the flexible blade is coupled to axis member, which extends from blade guide 25 to the other end 23b side of flexible blade 23, or to rotating shaft 21. The form of flexible blade 23 changes, between the other end 23b o
