The invention relates to a crushing device, and particularly relates to a bamboo crushing device for paper making industry. The technical problem to be solved by the invention is to provide a bamboo crushing device with high working efficiency and uniform crushing for paper making industry. In order to solve the technical problem, the invention provides the bamboo crushing device for papermaking industry. The bamboo crushing device comprises a base, a first support frame, a second support frame, a first support rod, a bearing, a screw rod, a nut, a sliding rod, a sliding sleeve, a second support rod, a push plate, a first motor, a third support rod and the like; the first support frame is fixedly connected to the left side of the upper part of the base; a second support frame is fixedly connected to the right side of the first support frame; a first support rod is fixedly connected to the left side of the upper part of the second support frame; the bearing is embedded in the first support rod; and the screw rod is in interference connection with the inner part of the bearing. According to the bamboo crushing device provided by invention, the function of cutting bamboos is realized,the function of rapidly cutting the bamboos is realized, and the function of crushing the bamboos is also realized.