The utility model discloses a novel slip-on flange which comprises a neck platform, a flange body and a base, wherein the neck platform, the flange body and the base are arranged in sequence. The neck platform and the flange body are integrally arranged, the center of the flange body, the center of the neck platform and the center of the base are respectively provided with a through hole, a plurality of installation holes are formed in the flange body, the installation holes are evenly arranged to form an annular shape, the surfaces of the inner walls of the through holes and the surfaces of the inner walls of the installation holes are provided with magnet portions, the magnet portions are made of permanent magnetic materials, and the base is made of a permanent magnet. According to the novel slip-on flange, the magnet portions are arranged in the installation holes and the through holes respectively, pipe fittings which are installed in the through holes and can be attracted by the magnet portions are firmly fixed into the through holes, fastening pieces installed in the installation holes are firmly fixed into the installation holes, looseness of the fastening pieces is prevented, and therefore the service life of the slip-on flange is prolonged; the base is made of the permanent magnet so that the slip-on flange can be firmly connected with other flanges, the sealing effect is good, no sealing ring is needed, and the cost is saved.