Three-way valve with needle-free connector

The utility model discloses a three-way valve with a needle-free connector, which comprises a shell, and a three-way valve core is mounted in the shell. The medical three-way valve has the advantages that the liquid inlet screw head and the liquid outlet screw head of the medical three-way valve are respectively provided with the guide pipe, the spring, the connecting ring sleeve and the elastic valve clack, so that when the medical three-way valve is connected, an external infusion apparatus and an external infusion connector are respectively screwed into the three-way valve; the connecting ring moves towards the side close to the three-way valve along the guide pipe through the abutting effect of an injection head on the infusion apparatus and an external infusion connector on the connecting ring, at the moment, the elastic valve clack can be expanded under the action of the guide pipe, and after the elastic valve clack is expanded, the guide pipe can stretch into the infusion apparatus and the external inf