To provide a fiber fleece-producing machine that can simply and efficiently linking fibers mutually and can markedly improve the linking degree.

This machine is provided with a hopper feeder equipped with a plurality of saw-toothed rollers 6, 7 adjacent to the yarn feeder and an air-type fiber-exhausting machine 8 is combined with the final saw-toothed roller 6, 7. The fiber fleece-producing machine, at which an air-permeating fiber-capturing face runs circulatingly, is arranged on the downstream side from the fiber- exhausting machine 8. The air flow C flowing toward the chamber 10 is heated in the fiber fleece-producing machine having the chamber 10 on the fiber- capturing face thereby the fibers exhausted from the saw-toothed rollers 6, 7 are made bondable by the heat of the air flow.