The utility model discloses a quick preparation facilities of initial soil sample of original state triaxial, including bottom plate, lift flat board, roof, a cylindrical sleeve section of thick bamboo and jack, supreme parallel arrangement is in proper order down followed to bottom plate, the flat board that goes up and down, roof, the direction montant of both ends difference fixedly connected with cylinder shape about between bottom plate and the roof, roof bottom fixed mounting has the jack, the liter of jack contracts the movable rod perpendicularly down, the liter of jack contract the movable rod bottom with go up and down that fixed surface is connected on dull and stereotyped, going up and down, open respectively at dull and stereotyped both ends and the corresponding direction through -hole of direction montant, the dull and stereotyped fixed surface down that goes up and down installs a plurality of cylindrical sleeve section of thick bamboo, the liter of jack contracts the movable rod and is used for the drive dull and stereotyped oscilaltion campaign of going up and down. The utility model discloses a mesh of the quick a large amount of preparations of the initial soil sample of original state triaxial to improve scientific research level.