The invention provides a storage bin. The storage bin comprises a bin body, a spilling device, a plurality of distance measuring sensors and a control device, wherein the spilling device is arranged on the bin body, the multiple distance measuring sensors are uniformly distributed at the top of the bin body, and the control device controls a spilling device motor to rotate according to the rule that the low speed is gradually increased to the high speed, and then the high speed is gradually decreased to the low speed. When the difference value of the material heights detected by any two of the multiple distance measuring sensors is not smaller than the set height difference threshold value, and when the motor rotates to the speed corresponding to the speed of the distance measuring sensors, the rotation time of the motor at the rotation speed is adjusted. The storage bin has the beneficial effects that to-be-stored materials are continuously spilt into the bin body through the spilling device and are horizontally paved in the bin body, the cover area of the materials in the bin body can be increased, and the storage space utilization rate of the bin body is increased; in addition, a plurality of blanking openings do not need to be formed in the top of the bin body, and thus the structure of the storage bin is simplified; and compared with the prior art that a material conveying device needs to be added, the operation efficiency is improved.