A robot system , comprising: a robot that includes an arm including a plurality of joints; a controller configured to control an operation of the robot ; and a tip box ; a tip feeder configured to supply the tip box with a pipette tip disposed on a tip pallet as a result of an operation of the robot, the pipette tip being attached to and detached from a pipette ; wherein the tip feeder includes a tip chamber configured to house the tip box on which multiple tip pallets stacked one on top of the other are mounted; and wherein the tip feeder is configured to supply the tip pallets one by one to the tip box , wherein the tip feeder includes a movable member configured to be movable in accordance with the operation of the robot , wherein the movable member includes a slide lever configured to slide into and out of the chamber so as to push the housed tip pallet out of the chamber , and wherein the controller includes a first operation controlling unit that controls an operation of the robot so that the robot slides the slide lever , wherein the first operation controlling unit controls the operation of the robot so that the robot slides the slide lever in such a manner that the tip pallets are pushed out of the chamber one by one, and wherein the tip feeder includes a forward/backward moving member configured to move into and out of an opening into which the tip pallet is pushed in directions such as to open and close the opening , wherein the movable member includes a rotatable lever configured to move the forward/backward moving member into and out of the opening by performing a rotational operation, and wherein the controller includes a second operation controlling unit that controls an operation of the robot so that the robot rotates the rotatable lever . a robot that includes an arm including a plurality of joints; a controller configured to control an operation of the robot ; and a tip box ; a tip feeder configured to supply the tip box with a pipette tip disposed on a tip pallet as a result of an operation of the robot, the pipette tip being attached to and detached from a pipette ; wherein the tip feeder includes a tip chamber configured to house the tip box on which multiple tip pallets stacked one on top of the other are mounted; and wherein the tip feeder is configured to supply the tip pallets one by one to the tip box , wherein the tip feeder includes a movable member configured to be movable in accordance with the operation of the robot , wherein the movable member includes a slide lever configured to slide into and out of the chamber so as to push the housed tip pallet out of the chamber , and wherein the controller includes a first operation controlling unit that controls an operation of the robot so that the robot slides the slide lever , wherein the first operation controlling unit controls the operation of the robot so that the robot slides the slide lever in such a manner that the tip pallets are pushed out of the chamber one by one, and wherein the tip feeder includes a forward/backward moving member configured to move into and out of an opening into which the tip pallet is pushed in directions such as to open and close the opening , wherein the movable member includes a rotatable lever configured to move the forward/backward moving member into and out of the opening by performing a rotational operation, and wherein the controller includes a second operation controlling unit that controls an operation of the robot so that the robot rotates the rotatable lever . <EOS>