To provide supply and usage of automatic sample liquid smear equipment.

The present invention relates to a supplying system for an automatic sample smear equipment for sample liquid on a cultural substrate, characterized in that it includes a turret (13) mobile in rotation, preferably around an axis (X13) substantially vertical, and an arm (14) mobile in rotation, preferably around an axis (X14) substantially horizontal, carried by means (71 and 72) for rising or lowering the distal end (16) of the arm including means (75 and 97) for fixing the turret and a stylus (18) there and the arm.