Solid waste harmless treatment equipment

The invention relates to the technical field of waste treatment devices, and discloses harmless solid waste treatment equipment which comprises a crushing box, a driving shaft, a sieve plate and a packaging assembly, materials to be crushed are put into a crushing cavity through a feeding port of the crushing box, and the outer diameter of a shredding barrel arranged on the driving shaft is increased firstly and then decreased in the axis direction of the driving shaft; the driving shaft rotates to drive the shredding cylinder to rotate, the shredding cutters are arranged on the outer side wall of the shredding cylinder and are arranged according to the outer diameter of the shredding cylinder, the linear speed of the shredding cylinder at the position where the outer diameter of the shredding cylinder is large is high, the material shredding efficiency is high, the resistance arm of the shredding cutters on the shredding cylinder at the position where the outer diameter of the shredding cylinder is large is