The medical needle device includes: a shield 4 including a substantially cylindrical portion 4a; a tube 13; a first hub 2 that is inserted into an inner bore of the shield movably in an axial direction. The rear end of the first hub 2 is connected with the tube 3. A rigid needle 1 is fixed to a front end portion of the first hub; and a hub movement controlling member 14 that is attached to the shield detachably. The hub movement controlling member 14 includes: a stopper portion 14a that can be inserted from the rear end side of the shield into an inner bore of the shield exsertably.