The invention discloses a vertical environmentally-friendly crushing machine for building construction. The vertical environmentally-friendly crushing machine comprises a machine body, wherein a material inlet funnel is arranged at the left end of the upper side of the machine body, a rack is arranged at the left side of the machine body, stretching columns are connected on the periphery of the bottom portion of the rack, the upper sides of the stretching columns are provided with a sliding rail, the sliding rail comprises an obliquely-arranged rising section and a bending section arranged atthe top end of the rising section, and is provided with a transmission chain, and both ends of the sliding rail are rotatably provided with a drive chain wheel and a plurality of driven chain wheels.According to the present invention, with the vertical environmentally-friendly crushing machine, the automatic material feeding can be achieved, the material feeding is complete, the manual operationis not required, the working efficiency of the crushing machine is effectively increased, the crushing effect is effectively increased by arranging the two V-shaped crushing rods up and down, the material is further crushed by the crushing cutting blade so as to ensure the crushing quality, and the dust generated during the working and the material discharging of the crushing machine can be recovered so as o avoid the dust pollution, protect the environment and reduce the waste of the raw material.