Reflective marking ball

The invention discloses a reflective marking ball, which belongs to the technical field of reflective marking, is used for being assembled with a buckle column, and comprises a spherical carrier and a hot melt reflective film layer which is spherically coated on the spherical carrier; the spherical carrier comprises a first hemisphere and a second hemisphere which are in butt joint with each other, the first hemisphere is provided with an inserting column which extends out from the plane end of the first hemisphere in the axial direction, the inserting column is hollow, and the inner wall of the inserting column is provided with a buckling protrusion which is buckled with the buckling column in a matched mode in a protruding mode; and the second hemisphere is provided with an insertion hole which is through along the axial direction and can be used for the insertion column to be inserted and fixed in a matched manner. The reflective marking ball disclosed by the invention is good in roundness, tight and seaml