A granular substance distribution device, comprising: a rotation mechanism rotating a drive shaft; a supply-side frame body; a distribution plate provided with holders each holding a granular substance or a predetermined amount of granular substances supplied to the inside of said supply-side frame body therein in an outer circumferential portion thereof; a discharge plate provided with recessed portions each holding the granular substance or granular substances therein in an outer circumferential portion thereof in a manner to correspond to positions of the holders; a delivery plate disposed between said distribution plate and said discharge plate and having a delivery hole through which the granular substances are delivered from said distribution plate to said discharge plate formed in an upper portion thereof; and a discharge-side frame body covering the outer circumference of said discharge plate and provided with a discharge port through which the granular substance or granular substances held in each of the recessed portions is or are discharged in a lower end portion thereof, wherein said supply-side frame body, said delivery plate, and said discharge-side frame body are fixed, and said distribution plate and said discharge plate both rotate in the same direction and at the same speed about the drive shaft, and wherein the granular substance distribution device discharges the granular substance or granular substances while traveling in a direction perpendicular to the drive shaft in the plane direction, characterized in that the granular substance distribution device discharges the granular substance or granular substances while traveling to a rotational direction rear side at a lower end of said discharge plate. a rotation mechanism rotating a drive shaft; a supply-side frame body; a distribution plate provided with holders each holding a granular substance or a predetermined amount of granular substances supplied to the inside of said supply-side frame body therein in an outer circumferential portion thereof; a discharge plate provided with recessed portions each holding the granular substance or granular substances therein in an outer circumferential portion thereof in a manner to correspond to positions of the holders; a delivery plate disposed between said distribution plate and said discharge plate and having a delivery hole through which the granular substances are delivered from said distribution plate to said discharge plate formed in an upper portion thereof; and a discharge-side frame body covering the outer circumference of said discharge plate and provided with a discharge port through which the granular substance or granular substances held in each of the recessed portions is or are discharged in a lower end portion thereof, wherein said supply-side frame body, said delivery plate, and said discharge-side frame body are fixed, and said distribution plate and said discharge plate both rotate in the same direction and at the same speed about the drive shaft, and wherein the granular substance distribution device discharges the granular substance or granular substances while traveling in a direction perpendicular to the drive shaft in the plane direction, characterized in that the granular substance distribution device discharges the granular substance or granular substances while traveling to a rotational direction rear side at a lower end of said discharge plate.