A dual-mode fluid connector includes: a hollow connecting element, comprising a chamber inside the hollow connecting element; a material tube, positioned on the hollow connecting element and connected through the chamber; a cleaning tube, positioned on the hollow connecting element and connected through the chamber; a head portion, positioned on one terminal of the hollow connecting element and having a connecting opening, wherein the connecting opening can be detachably connected to a material container; a rear portion, positioned on another terminal of the hollow connecting element and having a through hole; a rod, inserted into the chamber via the through hole; and a rotatable element, covered on the rear portion and comprising a block portion, wherein the block portion is positioned in an interior of the rotatable element and arranged to operably engage with the outer flange.