Disclosed is an ice crushing device, and relates to the field of ice crushing technology. The ice crushing device includes a conveying mechanism, a guide mechanism and an ice crushing mechanism. An upper end of the conveying mechanism is open and used for placing ice blocks, and a lower end of the conveying mechanism communicates with an upper end of the guide mechanism; a lower end of the guide mechanism communicates with an upper end of the ice crushing mechanism; the conveying mechanism is used for guiding the ice blocks into the guide mechanism, and the ice blocks in the guide mechanism fall into the ice crushing mechanism through the upper end of the ice crushing mechanism; and the ice crushing mechanism is used for crushing ice. The ice crushing device can improve the ice crushing efficiency and the ice crushing safety.