The invention discloses a two-stage environment-friendly type construction waste crusher. The two-stage environment-friendly type construction waste crusher comprises a shell, a first roller blind, afirst spray head, a liner plate, a first hydraulic cylinder, a second stationary crushing roller, a second movable crushing roller, a discharging hopper, a second spray head, a second roller blind, abuffer spring, a vibration exciter, a screening net, a first stationary crushing roller, a first movable crushing roller and a second hydraulic cylinder. According to the two-stage environment-friendly type construction waste crusher, the two-stage crushing design, the dust prevention and dust removal design and the movable crushing roller, stationary crushing roller and liner plate design are adopted; crushing efficiency is improved; the environment is protected; equipment abrasion is reduced; and the cost is saved.