Provided is a syringe safe cap assembly and, more particularly, a syringe safe cap assembly for preventing user injury when a syringe needle is inserted into a cap and for originally preventing reuse of a syringe or a syringe needle that needs to be discarded. The syringe safe cap assembly includes an accommodation cap into which at least a portion of a syringe needle or a syringe needle support is capable of being inserted and accommodated, and a support connected to the accommodation cap and configured to support the accommodation cap not to fall down with respect to a ground surface, wherein the supports includes a housing portion, at least a portion of an external surface of which has an outline of a curved line, and when the accommodation cap is put on a ground, the support guides the accommodation cap to immediately stand on a ground or, selectively, guides the accommodation cap to lastly stand on the ground while the accommodation cap rolls from side to side.
