A puncture sealant supplying/removing apparatus includes a
pressure-resistant bottle, an apparatus body on which the
pressure-resistant bottle can be mounted, supply hose means which
supplies or returns a puncture sealant accommodated in the
pressure-resistant bottle to or from a tire, and a high pressure air
source.The apparatus body comprises a venturi flow-path having a venturi
portion, a first flow-path extending from the venturi portion into the
pressure-resistant bottle, and a second flow-path extending from an
inside of the pressure-resistant bottle and connected to one end of the
supply hose means. The venturi flow-path is provided at its one end with
an air intake which is connected to the high pressure air source, the
venturi flow-path is provided at its other end with an opening/closing
tool capable of opening and closing the other end.