The invention discloses a big data server. The big data server comprises a base and a storage box arranged at the top of the base, wherein a storage cavity is formed in the storage box, the bottom of the storage cavity is provided with a back taper cavity, which extends downwards to the base, in a mutual communication mode, a conduction cavity is formed in the portion, at the right side of the storage cavity, of the storage box, a first taper turning wheel is arranged in the conduction cavity, a stirring shaft which is arranged to extend to the left side is fixedly arranged at the left end of the first taper turning wheel, the left extension segment of the stirring shaft penetrates through the portion, between the conduction cavity and the storage cavity, of the storage box and is connected with the storage box in a rotary mode, the left extension tip of the stirring shaft extends into the storage cavity and is connected with the left inner wall of the storage cavity in a rotary mode, the bottom of the back taper cavity is provided with a first slide-joint slot, which is arranged to extend to the left side and the right side, in a mutual communication mode, a slide-joint cavity is formed in the portion, below the first slide-joint slot, of the base, and a guide-joint pipe which is arranged to extend up and down is arranged in the portion, at the left side of the slide-joint cavity, of the base. The big data server is simple in structure and convenient to operate.