An indwelling needle assembly, including an inner needle having a sharp needle point at a distal end thereof an inner needle hub which is fixed to a proximal portion of the inner needle and which has a proximal end face a hollow outer needle into which the inner needle is inserted and an outer needle hub fixed to a proximal portion of the outer needle, the inner needle is adhered and fixed to the inner needle hub with an adhesive at a proximal portion thereof, and the inner needle hub is provided with a projected part formed by projecting the adhesive toward a proximal side relative to the proximal end face.
