Provided is a novel hemostasis valve-equipped indwelling needle that is capable of discharging air in an internal flow path. A hemostasis valve-equipped indwelling needle 10 including a cannula 12 to be inserted percutaneously into a blood vessel on a distal end side thereof, a link connector 14 on a proximal end side thereof, an internal flow path 18 extending from the cannula 12 to the link connector 14, and a hemostatic valve 16 disposed inside the link connector 14. An air vent passage 118 that allows the internal flow path 18 to communicate with an external space is formed in the link connector 14 further on the cannula 12 side than the hemostatic valve 16, and a filter 120 that allows gas to pass through but does not allow liquid to pass through is mounted in a compressed state on the air vent passage 118.
