Forming assembly of multilayer packets (P) of wet wipes comprising: - a conveyor feeding device of assemblies (G) of wipes; - a forming device of multilayer packets (P) comprising a plurality of assemblies (G) of wipes; - a conveyor removing device of said multilayer packets (P), where said forming device is adapted to receive said assemblies (G) of wipes from an upper level in which said feeding device is located and to release said multilayer packets (P) at a lower level in which said removing device is located, - a first band and a second band closed in a loop, movable along a path having a respective operating section extending vertically, and each comprising a plurality of blades (33', 33") arranged at regular intervals, projecting with respect to said first and second band, where the corresponding blades (33', 33") of said first band and of said second band are facing each other along the respective operating section so as to create housings adapted to accommodate single assemblies (G) of wipes coming from said feeding device and are spaced apart so as to define a free space between them; characterized in that said forming device comprises: - at least one moving index adapted to be inserted in said free space to eject a predetermined number of assemblies (G) of wipes from said housings in order to form a multilayer packet (P) and to push said multilayer packet (P) onto said removing device . - a movement member adapted to advance said at least one index through said free space toward said removing device, said at least one index comprising a fixed body associated with said movement member and a moving portion movingly associated with said fixed body so as to allow the height of the index to be varied with respect to said removing device. - a conveyor feeding device of assemblies (G) of wipes; - a forming device of multilayer packets (P) comprising a plurality of assemblies (G) of wipes; - a conveyor removing device of said multilayer packets (P), where said forming device is adapted to receive said assemblies (G) of wipes from an upper level in which said feeding device is located and to release said multilayer packets (P) at a lower level in which said removing device is located, - a first band and a second band closed in a loop, movable along a path having a respective operating section extending vertically, and each comprising a plurality of blades (33', 33") arranged at regular intervals, projecting with respect to said first and second band, where the corresponding blades (33', 33") of said first band and of said second band are facing each other along the respective operating section so as to create housings adapted to accommodate single assemblies (G) of wipes coming from said feeding device and are spaced apart so as to define a free space between them; - at least one moving index adapted to be inserted in said free space to eject a predetermined number of assemblies (G) of wipes from said housings in order to form a multilayer packet (P) and to push said multilayer packet (P) onto said removing device . - a movement member adapted to advance said at least one index through said free space toward said removing device, said at least one index comprising a fixed body associated with said movement member and a moving portion movingly associated with said fixed body so as to allow the height of the index to be varied with respect to said removing device. <EOS>