Provided is a backflush needle capable of retaining the shape of a soft member of a tip of the backflush needle as the backflush needle is inserted into a cannula. A backflush needle (10) according to the present invention is a backflush needle (10) that is inserted into a cannula attached to an eyeball in eye surgery, the backflush needle (10) including a tubular needle main body (11) passing through the cannula, a tubular soft member (20) connected to a tip of the needle main body (11), and a rod-shaped core member (21) passing through respective tubular hollows of the needle main body (11) and the soft member (20), wherein the core member (21) is movable in an axial direction and capable of having a tip thereof protrude from the soft member (20) or retract to a position away from the needle main body (11).
