The invention provides a betel nut loading supporting box device. The betel nut loading supporting box device comprises a hopper, a discharging pipeline, a material outlet opening, betel nuts, a rotating disc, a baffle, a conveying belt, a pushing block, a supporting box, a material moving device, a moving rod, a spring, a gravity pushing-out device, a pushing plate and a balancing weight; betel nuts enter the discharging pipeline from a discharging opening of the hopper and then enter the rotating disc, the rotating disc is provided with four gaps, the betel nuts enter the gaps in the rotatin...