The invention belongs to the field of sport equipment, and particularly relates to a protection horizontal bar. The protection horizontal bar comprises a cross rod assembly and two supporting columnswhich are connected to the two ends of the cross rod assembly respectively. The protection horizontal bar further comprises an air blower and an anti-skid powder box; the cross rod assembly comprisesan anti-skid sleeve, a supporting sleeve and an air bag which are sequentially arranged from outside to inside in a sleeving mode; one end of the air bag is provided with a valve, and one end of the air bag can be communicated with an air outlet of the air blower; one end of the anti-skid powder box is communicated with the supporting sleeve, and the other end of the anti-skid powder box is communicated with the air outlet of the air blower; an inner through hole is formed in the supporting sleeve, and an outer through hole is formed in the anti-skid sleeve; an extrusion plate used for extruding the air bag is arranged at the bottom of the air bag, and an extrusion column penetrating through the supporting sleeve is connected between the extrusion plate and the anti-skid sleeve. In the technical scheme, the horizontal bar has an anti-skid function, and is good in use safety performance.