The invention discloses a continuous catalyst/molecular sieve filling apparatus. The apparatus comprises a ground hopper, a conveying device, a top hopper and a distributed branch tube, the conveyingdevice conveys a material from the ground hopper to the top hopper, the distributed branch tube comprises a main tube, a plurality of distributed short tubes arranged below the main tube, and first hoses, detachable inclined tubes and folded tubes which are sequentially connected with the distributed short tubes, the lengths of the detachable inclined tubes can be adjusted as required, the main tube is connected with the top hopper, the folded tubes are connected with second hoses, positioning grooves are formed in the outer wall of the distributed branch tube, the second hoses are uniformly cut into a plurality of strip-shaped hose strips except the bottom end in the length direction, the first ends of the hose strips penetrate through the positioning grooves, extend out of the tank top of a reactor and are detachably fixed, and the detachable inclined tubes are connected with a chain; when the chain is put down, the distributed branch tube is folded inwards and can be arranged in thetank body; and when the chain is stretched, the distributed branch tube expands outwards to a position close to the tank wall, and the second ends of the second hoses extend to the tank bottom of thereactor.