Vermiculite fire-proof board is a non-combustible, heat-insulating, sound-absorbing, moisture-proof and non-harmful material board made of expanded rock as the main raw material, mixed with a certain proportion of inorganic polymer binder and processed by a certain process. A series of processes. Heating does not produce gases harmful to human health, and smoke-free, non-toxic, tasteless. Hirudite stone does not contain asbestos and is an environmentally friendly building material.