The invention provides warp beam mounting equipment of a warp knitting machine, and belongs to the technical field of machineries. The technical problem that the warp beam of the existing warp knitting machine is mounted by manpower can be solved. The warp beam mounting equipment of the warp knitting machine comprises an upper guide rail and a lower guide rail which are arranged in parallel; a lower slide plate is arranged on the lower guide rail; the lower slide plate can slide along the lower guide rail; an upper slide plate is arranged on the upper guide rail; the upper slide plate can slide along the upper guide rail; a supporting plate is arranged on the lower slide plate; the supporting plate can fix the warp beam arranged on the supporting plate; a lifting mechanism which can lift the warp beam positioned on the supporting plate is arranged on the upper slide plate. The warp beam mounting equipment has the advantages of labor saving and high efficiency.