The utility model discloses an easy-to-clean ash storage bin structure of a coal feeder of a thermal power plant. The storage bin comprises a storage bin body, a pull rod, a connecting block and a discharge port, wherein a feeding hole is formed in the top of the storage bin body; a connecting rod is arranged in the storage bin body; brushes are fixed on the outer sides of the connecting rods; a sleeve rod is fixed at the right end of the pull rod; a screw rod is arranged in the sleeve rod; a baffle is hinged to the front side of the storage bin body, a second clamping block is fixed to the right end of the baffle, the second clamping block is connected with the inner wall of the storage bin body through a clamping groove, a connecting spring is arranged in the clamping groove, a magnet isinstalled at the bottom of the connecting spring, and the storage bin body is arranged at the top end of the discharging port. According to the easy-to-clean ash storage bin structure of the coal feeder of the thermal power plant, the supporting rod is arranged at the bottom of the lead screw and connected with the lead screw through the bearing, so that the lead screw rotates more stably, and the phenomenon that the lead screw falls off is prevented.