The utility model provides a surface treatment's device is carried out natural fibre, includes air explosion ware, steam generator, cyclone collector and gas cylinder, and wherein, the steam inlet that its steam outlet of steam generator of having a water intaking valve passes through four valves, steam pipe, the 5th valve and air explosion ware is connected, and the material entry is arranged through arranging the pellet valve, arranging material pipe connector cyclone collector to the bin outlet of air explosion ware bottom, and the export of gas cylinder is put through with the steam pipe through first valve, first manometer, steam generator 0, steam generator 1. The utility model discloses simple structure, processing is convenient, convenient operation and effectual.