The utility model discloses a human centrifuge passenger cabin door latch, including rotatory handle, rotatory connecting rod, sharp connecting rod, connecting rod limit seat, door flap and adjusting nut, rotatory handle inner with the middle part of rotatory connecting rod is connected, the both ends of rotatory connecting rod respectively with distribute in both ends the first end swing joint of straight line connecting rod, the second end of straight line connecting rod is held and is corresponded pass through between the inner of door flap adjusting nut connects, door flap's outer end is used for inserting the door flap hole of human centrifuge passenger cabin, connecting rod limit seat is equipped with the through -hole, the straight line connecting rod passes connecting rod limit seat's through -hole can free axial displacement. Human centrifuge passenger cabin door latch can satisfy the hatch door operation requirement of the human centrifuge passenger cabin that carries out dynamic flight simulation training, through design adjusting nut for human centrifuge passenger cabin door latch can possess the function that the state was fastened in the regulation under centrifugal vibration ring border.