The utility model discloses a glass powder bomb for fast extinguishing forest fire, which adopts a structure that the prior art does not adopt. The utility model is characterized in that the utility model is provided with a thin glass shell which is filled with glass powder with a 100 to 250 meshes granularity; the explosive force is exploded from the outside to the inside; one end of the glass shell is provided with an empennage used for stabilizing the balance. The utility model has the advantages of novel and simple structure, fully utilizing the waste and the old materials, favorably protecting the environment, fast extinguishing forest fire, firm and compact structure, and difficult ash burning again, and furthermore, the utility model utilizes the softening point of the glass powder which can be burned to form a glass film separating layer below 700 DEG C, and thereby, the combustion reaction of the forest and oxygen can be prevented.