The disclosure provides a bowl with a freely adjustable height, comprising: a pedestal； a lifting support rod, whose one end is fixed on the pedestal； a bowl seat, which is fixed on the other end of the lifting support rod； a lifting locking piece, which has a fixing piece and an extrusion piece matched with each other, wherein the fixing piece has a fixing hole, the lifting support rod penetrates through the fixing hole and is partially located in the fixing hole, the extrusion piece exerts an action force to the fixing piece so as to fix the lifting support rod on the bowl seat, and the fixing piece is matched with and fixed on the bowl seat or arranged on the bowl seat； and a bowl body, which is arranged on the bowl seat. According to the disclosure, the height of the bowl may be adjusted freely.
