Abstract: A barrier post with safety means includes a barrier post fixed to a stand, with a cylindrical head mounted on an upper end of the barrier post. A belt wound on a spool in the head can be withdrawn from and inserted into the spool. A spring compresses when the belt is drawn out from the spool and acts on the spool to rewind the belt. Safety means reduce rotation of the spool to prevent an accident caused by the belt when the belt is rewound to the spool. The safety means includes two divided annular holders with multiple grooves on an inner space of the upper housing, and metal balls provided in grooves. Two locking parts protruding from an upper surface of an upper plate of the spool are formed between adjacent ends of the holders, so that the two holders may be rotated together with the spool.