A pulp feed apparatus of used paper recycling apparatus, being an apparatus composing the pulp feeder of the paper making apparatus for manufacturing recycled paper from the used paper pulp manufactured in the pulp making section (2) in the preceding process, in a used paper recycling apparatus of furniture size installed at the site of origin of used paper, comprises a partition member (79) slidably disposed on the downside of the running mesh endless belt (45) of a paper making net conveyor (40), and a paper making frame (78) slidably disposed on the upside of the mesh endless belt (45) for defining the feed width of slurry pulp suspension in a mixture of water and used paper pulp sent from the pulp making section (2), wherein a meandering passage (210) bending up and down is provided in the paper making frame (78), and at the outlet side position of the passage (210), a flat member (82) is provided for covering the mesh cells of the mesh endless belt (45) in closed state from the upper side, and the pulp suspension supplied in the paper making frame (78) passes through the meandering passage (210), and flows on the flat member and stays, and is diffused and supplied uniformly on the upside of the running mesh endless belt disposed in an upward slope toward the running direction.