The utility model discloses a micro -sampler for medical inspection, including syringe piston pole, back lid, first baffle, first through -hole, control switch, observation window, sampler procapsid,the lid that opens and shuts, hinge, second through -hole, liquid storage pipe, first rotation post, spring, first lug, second lug, second rotation post, arch, fixed head, third lug and second baffle.The beneficial effects of the utility model are that: the utility model provides a be provided with a plurality of notches on the first rotation post, the notch is inside can place the liquid storagepipe, conveniently injects the sample, through the first baffle that sets up with set up annular first lug and the second lug in first baffle both sides edge, realized that first baffle and first rotation post can be around sampler procapsid and the rotations of second rotation post, appearance is advanced in succession to the convenience, has realized that a sampler can multi -sampling, be equipped with open and shut lid and observation window on the sampler procapsid for place the liquid storage pipe and observe appearance.