The utility model discloses a volleyball sign post which comprises a post body, a sliding sleeve, a sliding clamping piece and a jacking mechanism, the jacking mechanism is fixedly arranged on the post body, the sliding sleeve is arranged above the jacking mechanism in a sliding mode, and a first clamping groove matched with the upper edge of a ball net is formed in the sliding sleeve. A sliding clamping piece matched with the upper edge of the ball net is arranged in the first clamping groove in an up-down sliding mode, the lower end of the sliding sleeve is in threaded fit with a jacking mechanism, and the top end of the jacking mechanism is matched with the sliding clamping piece. And a grip is fixedly arranged at the bottom end of the rod body. A movable rod is arranged at the bottom end of the grip, a sliding bowl is arranged at the bottom end of the movable rod, a second clamping groove matched with the lower edge of the net is formed in the sliding bowl, and a pressing mechanism matched with the lower edge of the net is arranged in the second clamping groove. The volleyball sign post is simple in structure, ingenious in design, convenient to disassemble and assemble and practical in function, and effectively solves the problems that in the prior art, a sign post is usually a simple vertical rod, a fixing structure is lacked, and installation efficiency is affected.