Abstract: A bathroom column hanging holder assembly mainly has a plurality of sleeves sleeved on a column with a base seat; the side of the sleeve has a side tube to be fixedly inserted by a hanging holder; a plastic inner tube and an O-shaped ring are installed inside the said sleeve; the structure assembled accordingly is capable of positioning a sleeve through the friction generated among the plastic inner tube, the O-shaped ring and the column by the weight of the hanging holder so as to eliminate the downward sliding of the sleeve and to adjust the height of the sleeve at will for convenient application.